SIM Card Issue - HTC 10 Questions & Answers

What happened with my HTC 10 and my SIM card this weekend? I was able to fix it so I'll explain problem and solution. I'm just looking for an understanding from someone smarter than me.
TL : DR ==> Why do two different devices with the same service have locked SIM settings that changed between devices and causing one of the devices (HTC 10) to not have working data?
My HTC 10 is on Viper10 (Nougat Sense based). My wife's phone is a OnePlus3 (FreedomOS (stock based rooted rom on Nougat)).
Both devices are on T-Mobile same plan. We both have T-Mobile so when travelling international we enjoy using the service. Well this is our first trip with both of these devices. We land in Canada and check the box allow data roaming on both phones. The OP3 lights up immediately and has LTE data. The HTC 10 shows no data. I have a signal for voice and whatnot but no data. Going into phone settings it says "disconnected because service is unavailable" under the mobile data toggle. If I go under about phone at the bottom of settings it says LTE but it just refuses to connect the phone.
I don't have much time to mess with this on a vacation but I'm seriously not happy right now. I work though it by trying to swap the SIM cards thinking maybe that's the issue. Nope. OnePlus3 lights up data on my HTC's SIM card but the OP3's SIM card causes same error on HTC 10. I have MultiROM so I booted up a new ROM just for testing to see if maybe it was the ROM causing a problem. I switched to an AOSP based ROM and same problem. No data but I have a signal for basic phone usage.
Now I'm starting to get pissed. I went into the APN section of both phones. They both have a lock icon next to the one supplied by T-Mobile but the APNs are slightly different in their configuration. HTC 10's shows APN roaming protocol as IPV4 whereas the OP3 shows APN roaming protocol as IPV6. I manually created a new APN on the HTC 10 with the exact same settings on the OP3 and BOOM instantly got data working. :laugh:
So to recap from above, why do two different devices with the same service have locked SIM settings that changed between devices and causing one of the devices to not have working data? It wasted a good hour of my trip trying to fix it. If that APN switch didn't fix it I was about to give up and just use the wife's phone for the trip.

Some things you could try...
Deleting apn settings, then hit reset to default. Then reboot phone. Also if you're using T-mobile SIMs they are tied to the device by IMEI. In TLDR seemed like you were trying to swap SIMs.
concerning the data being weird after SIM swap (if they're both unlocked) maybe they have different bands or one has stronger radio.

drago10029 said:
Some things you could try...
Deleting apn settings, then hit reset to default. Then reboot phone. Also if you're using T-mobile SIMs they are tied to the device by IMEI. In TLDR seemed like you were trying to swap SIMs.
concerning the data being weird after SIM swap (if they're both unlocked) maybe they have different bands or one has stronger radio.
Click to expand...
Click to collapse
Thanks for the advice! I had swapped the sim card from my unlocked HTC M9 to a new unlocked HTC M10 and everything was great for a week until one morning it wasn't. I was familiar with creating new APN s when travelling. Followed your advice to a T. Worked first time. I'm currently on the Bell network in Ontario.

Jodstrac said:
Thanks for the advice! I had swapped the sim card from my unlocked HTC M9 to a new unlocked HTC M10 and everything was great for a week until one morning it wasn't. I was familiar with creating new APN s when travelling. Followed your advice to a T. Worked first time. I'm currently on the Bell network in Ontario.
Click to expand...
Click to collapse
Another thing you can try is boot into the BOOTLOADER, not download mode, and do 'fastboot erase persist'

bynarie said:
Another thing you can try is boot into the BOOTLOADER, not download mode, and do 'fastboot erase persist'
Click to expand...
Click to collapse
Also note that the command is for S-OFF only devices. And that command only helps when you downgraded the firmware from oreo to nougat or lower. For S-ON devices it works completely different. It has no relation to APN settings.

Related

[Solved] Your sim card does not allow a connection to this network

Solved for me @ post #5 http://forum.xda-developers.com/showpost.php?p=10865272&postcount=5
I've searched, read, and called my mobile provider (3 UK) to no avail, so I'm starting a fresh thread on this issue.
Relevant details:
Nokia E65 + 3 PAYG sim = ok
HTC Desire unlocked (from T-Mobile) + 3 PAYG sim = "Your sim card does not allow a connection to this network"
HTC Desire above, + O2 + Virgin sim = ok
From what I've learned this has nothing to do with Android os, ROM or RUU etc., and is purely a setting/sim/connection/whatever problem. Or is it?
I bought an unlocked T-mob-branded Desire which works with o2/virgin sims, but selecting my 3 network results in the "Your sim card does not allow a connection to this network" message - yet same sim is fine in my Nokia. Which I cannot work out as that implies it's a combination of phone+network, surely?
When I first got the phone, unpacked it, 3 sim in, it worked, so I rooted w. Unrevoked it and it still worked, then I Nandroid-backup'd (which I still have), then I tried I think Cyan rom 6ish, and Oxygen 2 rc6 with a Goldcard in place [goldcard has nothing to do with sim/connection, just flashing, correct?], no service/not allowed on network; same with oxygen rom. So I nandroided-restored and still no luck.
I unrooted by RUU-ing with:
RUU_Bravo_Froyo_HTC_WWE_2.29.405.5_Radio_32.49.00. 32U_5.11.05.27_release_signed.exe
(I'm on 3 so tried RUU_Bravo_H3G_UK_1.22.771.1_Radio_32.36.00.28U_4.06.00.
02_2_release_127568_signed.exe to get a '3-rom'd phone' but I can't downgrade-which is fine by me)
so I'm back to Froyo 2.2 stock/whatever it's called, and no luck still. I mention this as I'm sure all this rom-ing has absolutely nothing to do with it but would like to be clear.
Has anyone any idea what causes this occur - not connecting that is - would 'disconnecting from network, romming, loading a new rom w/ sim, connecting and getting maybe kicked off' be the case? Or is this certainly a problem with the sim and this phone and the network; or can somehow a phone be unlocked only on certain rom and not transfer (certain this is not correct) to another - unbranding via goldcard + RUU 2.29..... has been done numerous times by people yet I seem to get this problem.
Long post, but if someone can definitely help it would be greatly appreciated - while comments like 'have you rebooted' are nice, yes, I have many many times, wipes settings, factory restored data, input apn settings, *#4636#*#* doesn't show anything I can really find of use (I tried selecting GSM only, WCDAM only, neither work) and I've tried manually/automatically connecting to network but am plagued with my "Your sim card does not allow a connection to this network" message. Which ultimately makes my £300 phone as much use as an iPhone 4 being held wrong.
I cannot understand how my sim worked before on the same phone, but now after tinkering (nothing of which I think can effect this problem) it's not working again. Apart from my old Nokia.
goto *#*#4636#*#* and post your signal strength (in dbm) and LAC and CID values. It will also be good if you could attach output of logcat -b radio.
This is a well known problem with a no known answer.
Is the number stored correctly - i.e. it hasn't lost the '+' from a number starting 44?
Sent from my HTC Desire using XDA App
I had the same problem two weeks ago when I returned from my holidays. I put in my 3 UK sim and it refused to connect with that same error. Sim worked perfectly in other phones.
Finally 3 UK advised me to do a factory reset on my from the Settings->Storage menu which resolved the issue. You seem to have done a full restore from a RUU which probably should be equal to doing a factory reset. But it's probably worth while doing it anyway in case the issue was with the /data or cache partition which for some reason might not have been cleaned by the RUU.
Well, I *think* I've fixed this (for me at least) - just waited a few days and tested to make sure it wasn't a 'ymmv' quick quip fix.
Basically, I'm on 3 - 3G only - and phone was set to 'WCDMA (3G) preferred' - with low signal/reception (-113dbm) it seemingly tries to get the 2G signals around (Orange-whom 3 piggyback[ed] on in low 3G areas; and O2) while changing to 'WCDMA Only' forced it to only try 3G networks - 3.
So, try this:
Key in, but don't 'call': *#*#4636#*#*
Select Phone Information
Near bottom, Set preferred network type to: WCDMA Only
Fixed it for me instantly. Three mobile UK still has -111dbm as it's best reception here but now at least I can connect to it
Let me know if this fixes it for you (clearly, if you're on a 2G-only network selecting GSM only (2G) may work).
checked your IMEI matches from *#06# and the back of the phone?
Yep, IMEIs match. I think it's (been) purely a network choice/connection issue, at least for me.
hi all. I was as usual using my xperia j but 3g signal was low so I installed signal booster app and after boosting signal the app asked with a popup window to enter network unlock password. I without thinking anything entered 12345 and after this it said wrong network password. since this happened I am getting error on Xperia J (st26i) that your sim doesn't allow connection to this network. I tried with many sims but no signal. It always shows all networks when search for network manually. But gives that above mentioned error when trying to connect to any searched network. I checked if my imei is blacklisted but there's no problem about imei. its clean. I flashed stock rom, custom rom but nothing helped. how to solve this strange error.
Mehul (nope imei does not match)
lothaen said:
checked your imei matches from *#06# and the back of the phone?
Click to expand...
Click to collapse
no my imei is different, now what should i do
I posted that six years ago. I have no idea what my thought process was tbh

HTC One's MVNO Setting

Hey guys, I'm wondering if anyone know how to access the MVNO setting (mobile virtual network operator type) within APN of the HTC One M8.
I live in Australia and currently on the Virgin Mobile Network which is a MVNO of Optus. I was on a M7 and recently bought a M8 off a friend for cheap. However when I have installed the nano SIM, I can only make calls and texts and could not get the internet to work even when the APN settings are correct. I took it to the Virgin Mobile store and they have also tried playing around with the APN settings with no luck.
The odd thing is that when I remove the SIM card and place it in another phone it doesn't work on the other phone either . But when I try place a SIM card from another carrier (Telstra) into my M8 it works fine. Virgin Mobile has issued me a new nano SIM and I did the same tests and got the same results which is really odd. Virgin Mobile has also checked on their system and confirmed to me that internet is ACTIVE.
I've been reading around and the only other solution I can think of is accessing the MVNO setting and changing in to IMSI in hope it works. If anyone could please tell me how to access MVNO on the M8 it would be much appreciated.
Network: Virgin Mobile
Phone is SIM unlocked
Bootloader unlocked, S-OFF and Super CID
ROM: Android revolution HD 21.0
Firmware : 3.28.401.7
Most likely you need a different radio...
oblivianz said:
Hey guys, I'm wondering if anyone know how to access the MVNO setting (mobile virtual network operator type) within APN of the HTC One M8.
I live in Australia and currently on the Virgin Mobile Network which is a MVNO of Optus. I was on a M7 and recently bought a M8 off a friend for cheap. However when I have installed the nano SIM, I can only make calls and texts and could not get the internet to work even when the APN settings are correct. I took it to the Virgin Mobile store and they have also tried playing around with the APN settings with no luck.
The odd thing is that when I remove the SIM card and place it in another phone it doesn't work on the other phone either . But when I try place a SIM card from another carrier (Telstra) into my M8 it works fine. Virgin Mobile has issued me a new nano SIM and I did the same tests and got the same results which is really odd. Virgin Mobile has also checked on their system and confirmed to me that internet is ACTIVE.
I've been reading around and the only other solution I can think of is accessing the MVNO setting and changing in to IMSI in hope it works. If anyone could please tell me how to access MVNO on the M8 it would be much appreciated.
Network: Virgin Mobile
Phone is SIM unlocked
Bootloader unlocked, S-OFF and Super CID
ROM: Android revolution HD 21.0
Firmware : 3.28.401.7
Click to expand...
Click to collapse
I just checked on my phone under mobile networks > APNs and at the very bottom I get the option to choose the MVNO type and value, so the only thing I can suggest is making a twrp backup of your current arhd and flashing another rom with that option (since it's not appearing on the one you're using).
The rom I'm on right now is Dirty Unicorns.
I think you might be on to something
Sent From My HTC One M8 GPE
mattprice86 said:
I just checked on my phone under mobile networks > APNs and at the very bottom I get the option to choose the MVNO type and value, so the only thing I can suggest is making a twrp backup of your current arhd and flashing another rom with that option (since it's not appearing on the one you're using).
The rom I'm on right now is Dirty Unicorns.
Click to expand...
Click to collapse
Thanks for your help. I managed to solve the issue. It was simply a bad imei, changing it did the trick.
oblivianz said:
Thanks for your help. I managed to solve the issue. It was simply a bad imei, changing it did the trick.
Click to expand...
Click to collapse
I need to try to this my imei number is no goodfrom the previous owner whofiled it lost when he thought it had been stolen yet lucky me it showed up a day after he the replacement did for the HTC One Max????? (HTC6600LVW) yet I am sticking with my Galaxy Note 3 as the 200 difference from the CPU is a great deal when being held next to each other... So I've decided to sell it to my roommate who uses metro pcs told her to buy an unlock pin for her SIM card to work. I read about rooting the phones but being that it is not mine I'm not lying to the poor girl am I?

Ported AT&T from Cricket (AT&T), nxtgenphone APN gives no data?????

So I jumped on the AT&T/DirecTV Unlimited data deal and ported my phone today. It all looked normal and I got the activation texts and such - it even populated the nxtgenphone APN info (though it was deselected and I had to select it). Anyway, I've had no data at all. As a test, I switched the APN to phone and data works, but the speeds appear to be much lower than what my wife's iPhone is seeing on the nxtgenphone APN. Anyone got any tips?
I'm running Viper 2.5, latest US unlocked firmware and US unlocked selected as carrier, and it works fine on AT&T other than this......only other thing I can mention is when I select preferred band or whatever it shows WCDMA/GSM and if I change it to WCDMA/GSM/LTE it reverts back for some reason. Any help much appreciated. I've called AT&T and they're like, uh, we don't sell the HTC 10 so can't really help you... grrrrrr.....
vettejock99 said:
So I jumped on the AT&T/DirecTV Unlimited data deal and ported my phone today. It all looked normal and I got the activation texts and such - it even populated the nxtgenphone APN info (though it was deselected and I had to select it). Anyway, I've had no data at all. As a test, I switched the APN to phone and data works, but the speeds appear to be much lower than what my wife's iPhone is seeing on the nxtgenphone APN. Anyone got any tips?
I'm running Viper 2.5, latest US unlocked firmware and US unlocked selected as carrier, and it works fine on AT&T other than this......only other thing I can mention is when I select preferred band or whatever it shows WCDMA/GSM and if I change it to WCDMA/GSM/LTE it reverts back for some reason. Any help much appreciated. I've called AT&T and they're like, uh, we don't sell the HTC 10 so can't really help you... grrrrrr.....
Click to expand...
Click to collapse
I'd suggest ruu to stock us unlocked rom and see if the issue persists.
Or, try clean flash of viper.
I have no issues using US unlocked on AT&T with both stock rom and ice.
Thanks for trying to help. I just finished trying stock RUU and same problem. I'm convinced, as I was before, that this is AT&T's issue. I've read numerous posts this afternoon that because the HTC 10 (and other phones) aren't in their "LTE approved" database, nxtgenphone APN won't work, or it will only give HSPA speeds. Seems like everyone who has resolved it, or didn't run into the issue at all had another AT&T LTE phone they could use for the IMEI on the account, or the rep entered the model as an iPhone or similar to make it work. Really, really frustrating, as they refuse to help me and I'm starting to think I should just terminate in the 14 day window and do T-mobile or Verizon.
I have at&t and everything worked out of the box, I've never been on stock rom, always on Viper I did the unlock and s-off without a sim and never had an issue or called at&t to activate the device I just transferred my sim from my note 4 to the HTC 10, no provisioning issues at all, VOLTE works, LTE is fine as well while on a phone call... No issues... If you need anything to compare let me know
Sent from my htc_pmewl using XDA Labs
jocarog said:
I have at&t and everything worked out of the box, I've never been on stock rom, always on Viper I did the unlock and s-off without a sim and never had an issue or called at&t to activate the device I just transferred my sim from my note 4 to the HTC 10, no provisioning issues at all, VOLTE works, LTE is fine as well while on a phone call... No issues... If you need anything to compare let me know
Sent from my htc_pmewl using XDA Labs
Click to expand...
Click to collapse
Thanks for replying. They did confirm it was a provisioning issue and they fixed it today. They had to do something different, as the default HTC 10 provisioning and IMEI check didn't fix it even when they tried it a second time, but they were able to adjust something and LTE definitely works now. VoLTE working here, too. Thanks!

[Help] Tracfone/WP10/HTC One M8 not working

Hello! This is my first thread.
I've used XDA before for tutorials and such so I thought I would get probably the best help here for my situation. I have an HTC One M8 with Windows Phone 10 (Updated using a tutorial here) and it has been great! Better than 8.1 by a lot. I recently got a Tracfone sim for CDMA (the phone is verizon) and it worked just fine, no problem.
Yesterday, data would not work at all despite the fact that it said Verizon Wireless LTE and showed signs of data working. Anything I did to try and access the internet said "Not connected". I've looked in the sim settings and "IMS Services" says unregistered and "Internet APN" is set to VZWINTERNET. I've tried calling Tracfone support (which was a major waste of time) and tried changing the APN to the other suggested TRACFONE.VZENTP with no luck (it will not activate or use any custom APN). I have tried rebooting, removing and re-inserting the sim card, changing Mode selection to "Global" and "CDMA/LTE", tried other tutorials, other APN settings, all to no luck..
If anyone has had this issue before or knows how to fix it, that would be greatly appreciated. I'm traveling with family and need data to work.
TechEdison said:
Hello! This is my first thread.
I've used XDA before for tutorials and such so I thought I would get probably the best help here for my situation. I have an HTC One M8 with Windows Phone 10 (Updated using a tutorial here) and it has been great! Better than 8.1 by a lot. I recently got a Tracfone sim for CDMA (the phone is verizon) and it worked just fine, no problem.
Yesterday, data would not work at all despite the fact that it said Verizon Wireless LTE and showed signs of data working. Anything I did to try and access the internet said "Not connected". I've looked in the sim settings and "IMS Services" says unregistered and "Internet APN" is set to VZWINTERNET. I've tried calling Tracfone support (which was a major waste of time) and tried changing the APN to the other suggested TRACFONE.VZENTP with no luck (it will not activate or use any custom APN). I have tried rebooting, removing and re-inserting the sim card, changing Mode selection to "Global" and "CDMA/LTE", tried other tutorials, other APN settings, all to no luck..
If anyone has had this issue before or knows how to fix it, that would be greatly appreciated. I'm traveling with family and need data to work.
Click to expand...
Click to collapse
Nobody? No ideas?
Is this in the wrong section?
TechEdison said:
Nobody? No ideas?
Is this in the wrong section?
Click to expand...
Click to collapse
Followup:
Phone appeared to be in a bricked state. I was using it completely normal, then it froze on me. Completely unresponsive to even the power button for a good 30 seconds of holding down. Charge light not showing, doing absolutely nothing.
I ran across this: http://www.pocketables.com/2015/06/htc-one-m9-unresponsive-no-charge-light-wont-power-on.html
Could this issue with the apn and the recent frozen issue be linked? Possible a bad sim card or a hardware issue in htc or win 10?
I've had no luck getting it to start back up and I am in serious need of answers... The phone ran just fine for months.
TechEdison said:
Hello! This is my first thread.
I've used XDA before for tutorials and such so I thought I would get probably the best help here for my situation. I have an HTC One M8 with Windows Phone 10 (Updated using a tutorial here) and it has been great! Better than 8.1 by a lot. I recently got a Tracfone sim for CDMA (the phone is verizon) and it worked just fine, no problem.
Yesterday, data would not work at all despite the fact that it said Verizon Wireless LTE and showed signs of data working. Anything I did to try and access the internet said "Not connected". I've looked in the sim settings and "IMS Services" says unregistered and "Internet APN" is set to VZWINTERNET. I've tried calling Tracfone support (which was a major waste of time) and tried changing the APN to the other suggested TRACFONE.VZENTP with no luck (it will not activate or use any custom APN). I have tried rebooting, removing and re-inserting the sim card, changing Mode selection to "Global" and "CDMA/LTE", tried other tutorials, other APN settings, all to no luck..
If anyone has had this issue before or knows how to fix it, that would be greatly appreciated. I'm traveling with family and need data to work.
Click to expand...
Click to collapse
Tracfone APNs are only compatible with the GSM version.
If you have the CDMA version, first, make sure your device radio is unlocked. Only APNs that support that device radio can be used.
I have an Android version, and I'm not sure if enabling SuperCID could help you, as you'd be able to flash a radio that supports your Tracfone APN.
Sent from my HP ENVY m6 Notebook PC using Tapatalk

Unlocked S9 cannot register on Verizon MVNO?

I've got my unlocked S9 from Samsung. I have a Redpocket CDMA sim card, which works fine in a Samsung S7E and a Google Pixel. However, when putting this sim card in S9, the S9 could not get on its network. It shows Emergency calls only and "Not registered on network" when making a call.
Sometimes it shows "refreshing sim card data" and no network. When turning to network modes, it says "LTE/3G/2G" etc but redpocket cs seems to believe the right one should be "LTE/CDMA" instead, which is not in the list.
I tried various usual ways such as factory reset etc, which did not change anything.
I tried a project Fi and a verizon sim card in the S9 and they were recognized with no problem. Thus I think the S9 is not defective.
I did some searches and people mentioned S8 had the same issue too: https://forum.xda-developers.com/galaxy-s8/help/unlocked-s8-failed-to-register-red-t3736850
I am wondering whether anyone has this problem or a solution.
Will flashing to verizon firmware help?
Thanks.
I'm having the same issue with PagePlus! I just put the SIM from my VZW S6 into my unlocked S9 and when that didn't work I chatted with support to do an ESN change (I thought perhaps PP needed to do something on their end). I was told if there was no "LTE/CDMA" option that the phone wouldn't work on PP.
I tried using an app to switch between different network modes (including the LTE/CDMA/UMTS auto which my S6 uses) to no avail.
I'm tempted to try flashing the VZW firmware, but the post here makes me wonder if it will accomplish anything.
I tried that APP to force network mode too but it did not seem to work.
As an update, Redpocket customer service is really great that they moved my number from Verizon network to their GSM/ATT network, and everything works fine now. I do not want to try flashing verizon firmware for the same reason...
Too bad Samsung could not get such a simple thing right.
janame said:
I'm having the same issue with PagePlus! I just put the SIM from my VZW S6 into my unlocked S9 and when that didn't work I chatted with support to do an ESN change (I thought perhaps PP needed to do something on their end). I was told if there was no "LTE/CDMA" option that the phone wouldn't work on PP.
I tried using an app to switch between different network modes (including the LTE/CDMA/UMTS auto which my S6 uses) to no avail.
I'm tempted to try flashing the VZW firmware, but the post here makes me wonder if it will accomplish anything.
Click to expand...
Click to collapse
Can we sue them?
I faced the same issue too. Apparently, Samsung does a setting update that prevents the sim from registering for Verizon's MVNOs. I called them and they said they NEVER heard of this issue. Apparently, you all did too. I am tempted to sue Samsung for this since this could be an antitrust issue. They are preventing competition by working with Verizon and feigning ignorance.Can any of you comment on this?
I was going to go with one of Verizon's mvnos. And their SIM card would not work and I did not realize it until I spend the $40. I had to put an actual Verizon sim in my unlocked phone to use the Verizon network. So either Verizon is blocking the S9 on mvns or the mvnos don't have the updated information for the S9. Total wireless told.me it Had to be a Verizon branded phone for it to work. So I think if someone flashed the Verizon firmware on the unlocked version it probably would work.
i dont see anywhere on the post where you contacted the MVNO provider, to register the ESN or IMEI of the device.
Also does this MVNO even allow BYOD?
i remember I had a line from Cricket or Metro that had a sim card, it worked on my Nexus 5x, however inserting it to another nexus 5x, it didnt work, I had to call them to register my IMEI
Hey guys this is an old thread, but maybe this will help someone. My old Red Pocket SIM would not work on the S9, but my renewal came with a new SIM, ending in 8222-15XX (old was 8180-50XX) For ****s and giggles I put it in and it showed LTE/CDMA and verizon. Had RP CS switch my active SIM and now it works with no workaround!
TL;DR Try a new RP SIM if you are using one a year old or older.
I also have similar issue.
Where I used to get lte over voice, but no longer getting after a recent update from samsung. Using Redpocket cdma sim
Now I have lte and voice, but dont get lte over voice even though redpocket said they have enabled Volte on my line
We just added an Unlocked Galaxy S9 (replaced S5) purchased from Amazon (Black Friday sale), ordered new Sim from Pageplus (MVNO using Verizon ), called them to transfer the phone number, popped it in and the S9 configured itself for Pageplus, and everything works perfectly...
ToyTank said:
Hey guys this is an old thread, but maybe this will help someone. My old Red Pocket SIM would not work on the S9, but my renewal came with a new SIM, ending in 8222-15XX (old was 8180-50XX) For ****s and giggles I put it in and it showed LTE/CDMA and verizon. Had RP CS switch my active SIM and now it works with no workaround!
TL;DR Try a new RP SIM if you are using one a year old or older.
Click to expand...
Click to collapse
That's great news. I switched to GSMA due to CDMA issue. I will switch back to CDMA after my current plan expires.
I heard that RCS (messaging via wifi connection similar to imessage - samsung messages app supports it in pie I believe, not sure about oreo) is active in verizon now including mvnos. Have you tried it?
sam298 said:
That's great news. I switched to GSMA due to CDMA issue. I will switch back to CDMA after my current plan expires.
I heard that RCS (messaging via wifi connection similar to imessage - samsung messages app supports it in pie I believe, not sure about oreo) is active in verizon now including mvnos. Have you tried it?
Click to expand...
Click to collapse
I tried for my unlocked note 8. For the new sim coming from red pocket, it works great at the first time. But later when I switch the sim to a GSM sim for international travel and then switch the sim back to the red pocket sim, the same problem appeared. I have to use verizon sim to get LTE/CDMA back in the emergency mode.
queenriver said:
I tried for my unlocked note 8. For the new sim coming from red pocket, it works great at the first time. But later when I switch the sim to a GSM sim for international travel and then switch the sim back to the red pocket sim, the same problem appeared. I have to use verizon sim to get LTE/CDMA back in the emergency mode.
Click to expand...
Click to collapse
Traded in my S9 with an S10+ and the redpocket CDMA sim works now!
ToyTank said:
.My old Red Pocket SIM would not work on the S9, but my renewal came with a new SIM, ending in 8222-15XX (old was 8180-50XX) For ****s and giggles I put it in and it showed LTE/CDMA and verizon. Had RP CS switch my active SIM and now it works with no workaround!
Click to expand...
Click to collapse
I think you've found the answer for those who are unable to get their existing RP SIM to work on the S6-7-8-9's running OREO or PIE. I just took a later serial numbered CDMAV SIM (89140000018821472XX), inserted it into another S8+ that I have, booted it and saw the Verizon Wireless scroll across the top. I'll chat with RP today and see if they will switch the ICCID numbers between old and new.
After countless hours looking into this problem, I tip my hat to you for the solution provided.
Try as I may, in the end it didn't work for me.
It worked for me when I flashed the latest un-branded U1 firmware G960U1 UEU6CSI1 via the patched Odin, from:
https://updato.com/firmware-archive-select-model/?record=E68EDDB6DBFB11E99E59FA163EE8F90B
I've also done a full factory reset from recovery after the flash.
I guess they must have fixed it with the latest firmware updates... ymmv
Since the August update, both of my Verizon branded S8+'s work directly upon inserting a RP sim card.
POSSIBLE SOLUTION!! (YMMV)
I had a similar problem when I upgraded to Android 10. I no longer had CDMA as a choice for Network mode. Here is the solution that worked for me:
Step #1:
Go to the phone dialer and dial *#*#4636#*#*
This will bring up a new screen
Select "Phone Information"
You will be greeted with a scary-looking screen with lots of stuff
Scroll down and look for "Set Preferred Network Type"
Select "LTE/CDMA auto (PRL)" from the drop-down
This will give you phone service... but not data.
STEP #2
To get data services, you will need to create an APN.
Go to settings/connections/mobile networks/Access Point Names
Click on add and enter the following:
APN Name: Verizon
APN: VZWINTERNET
MCC: 311
MNC: 480
Authentication Type: None
APN Protocol: IPv4/IPv6
APN Roaming Protocol: IPv4/IPv6
I found that this APN worked for me... (YMMV)
Hope this is helpful...
are you folks still having trouble with this? it doesnt seem like a difficult obstacle to overcome
Thank you sooo much! Creating the APN did the trick.

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