My phone cannot connect to any cellular network after I put it in airplane mode yesterday? Any solution. Also, the phone is rooted.
The sim card shows no service.
I can't modify cellular network settings. IMEI number is not null. Anything that can be done?
JorahM said:
My phone cannot connect to any cellular network after I put it in airplane mode yesterday? Any solution. Also, the phone is rooted.
The sim card shows no service.
I can't modify cellular network settings. IMEI number is not null. Anything that can be done?
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Click to collapse
I get service for a few seconds after a reboot, but then again it goes back to no service.
Update: I had to do a recovery of theme from substratum to get it to work.
Got the same problen on a XT1710-06, I reinstalled Oreo firmware via Fastboot with no errors, but Im still with "No service" its not blacklisted.
Which rom u using ?
Related
I unlocked my G2 before leaving on trip to Europe and after the unlock process has finished phone now can't connect to gsm network at all. I used 3 different sim cards including t-mobile original sim card nothing helps. Also did hard reset and reflashed with OOB ROM from dev thread, nothing helps. Anybody has the same issue? Any other suggestions?
hmfic said:
I unlocked my G2 before leaving on trip to Europe and after the unlock process has finished phone now can't connect to gsm network at all. I used 3 different sim cards including t-mobile original sim card nothing helps. Also did hard reset and reflashed with OOB ROM from dev thread, nothing helps. Anybody has the same issue? Any other suggestions?
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Dear friend, my issue exactly. No connection after unlocking. I have tried virtualy anything (different sims, firmware reinstallation, reboots, reset ) nothing happens. As far as i can tell after unlocking the phone cannot read properly no sim at all. It behaves asz a phone whith no sim in it. Try open your phone with no sim and try search for networks. You will get the same error message. I have contacted HTC and awaiting an answer. Where did you found the unlock code?
After you entered the unlock code, you got a pop up message saying something to the effect of "Unlock code successfully entered, rebooting device." Did the device instantly reboot for you or did it take a while? I'm curious as my device just sat there for five minutes before rebooting.
Edit: I should note that I cannot test my device with my foreign SIMs right now, but my T-Mobile connection is working fine post-unlock. Also, it might help to read through this thread. More anecdotal experiences with G2 on other networks in there.
Doesn't work period, the T-Mobile sim card doesn't work either anymore.
jashsu said:
After you entered the unlock code, you got a pop up message saying something to the effect of "Unlock code successfully entered, rebooting device." Did the device instantly reboot for you or did it take a while? I'm curious as my device just sat there for five minutes before rebooting.
Edit: I should note that I cannot test my device with my foreign SIMs right now, but my T-Mobile connection is working fine post-unlock. Also, it might help to read through this thread. More anecdotal experiences with G2 on other networks in there.
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The device took about 1 minute or so to reboot. And after that not even the original TMo card is working. Where did u get your unlock codes?
gpou said:
The device took about 1 minute or so to reboot. And after that not even the original TMo card is working. Where did u get your unlock codes?
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I didn't mention because I assumed that as long as it works (meaning the popup said the unlock was successfully entered) then it doesn't matter what the source was. I got my code from T-Mobile, who in turn requests the codes from HTC.
I unlocked by inserting a friend's AT&T sim. Strangely, the device didn't give me the unlock dialog at all when I inserted a Chunghwa Telecom (Taiwan) sim. It couldn't register to any networks when my CHT sim was inserted. However, I did not have a "no sim inserted" error in my notification bar, so it's not the same as your situation, I think.
I have tried every solution i can think with no results. I just hope it isn't a hardware fault a it is very difficult for me to return the phone to T-mobile and get a new one
jashsu said:
I didn't mention because I assumed that as long as it works (meaning the popup said the unlock was successfully entered) then it doesn't matter what the source was. I got my code from T-Mobile, who in turn requests the codes from HTC.
I unlocked by inserting a friend's AT&T sim. Strangely, the device didn't give me the unlock dialog at all when I inserted a Chunghwa Telecom (Taiwan) sim. It couldn't register to any networks when my CHT sim was inserted. However, I did not have a "no sim inserted" error in my notification bar, so it's not the same as your situation, I think.
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Its the same. I dont get a no sim error. Sim is found. But network search is dead
Try looking up the APN settings for your network and enter them under Wireless and Networks under settings. I had a similar problem with AT&T when I first unlocked. I had signal but no data.
We get no GSM signal whatsoever. Just shows the "x" next to the cellphone signal. Also getting to *#*#4636#*#* menu shows that both CID and LOC fields are unknown. I also tried to do the sim lock from the recovery menu (press volume down with power key) and it gave me errors as some files are missing, so I'm guessing the unlock did happen but it didn't write something somewhere.
hmfic said:
We get no GSM signal whatsoever. Just shows the "x" next to the cellphone signal. Also getting to *#*#4636#*#* menu shows that both CID and LOC fields are unknown. I also tried to do the sim lock from the recovery menu (press volume down with power key) and it gave me errors as some files are missing, so I'm guessing the unlock did happen but it didn't write something somewhere.
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Excactly my friend. It cannot read properly the sim properties so it cannot find MCC/MNC and CID of our networks. The error you get in SIMLOCK IS
MCCMNC FILE MISSING
CID FILE MISSING
And another thing i noticed. In a properly working android phone when you create a new apn the MCC and MNC fields are automaticaly filled. But in our case they are blank...
rburg45 said:
Try looking up the APN settings for your network and enter them under Wireless and Networks under settings. I had a similar problem with AT&T when I first unlocked. I had signal but no data.
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Your problem isn't similar at all. These guys can't get signal or data. Network scan turns up nothing.
jashsu said:
Your problem isn't similar at all. These guys can't get signal or data. Network scan turns up nothing.
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Click to collapse
To be exact network search returns an ERROR.
Yeah my bad, didn't realize their problem was so severe. :/
I have a similar problem except mine is temporary. When I unlock the phone I have no connection. Shows an X on the tray. Try enabling airplane mode and disabling it and still the same. I have to reboot the phone in order for it to connect again. It's only happened twice so far, but was annoying. Hope it doesn't get worse.
I am still using the old SIM card from my Cliq, which was in my Sidekick before that. If it happens one more time I'm going to install the new SIM that came with the phone and see if that helps.
Edit:
Nevermind... My phone is not unlocked. I read the post wrong.
Unfortunately no solution yet. I have read here that an OTA is rolling out. Let's hope it could something when received
How you plan on getting OTA if our phones are not even connected to the cellnetwork??? Just leave it on with wifi???
wifi or someone will post a download link.
So far pleople with the same problem as us are increasing.
D/RILJ ( 5176): [0085]> QUERY_AVAILABLE_NETWORKS
D/HTC_RIL ( 1350): ril_func_get_avail_networks():called
D/HTC_RIL ( 1350): (t=1286918594)>> AT+COPS=?\r
D/HTC_RIL ( 1350): (t=1286918594)<< +CME ERROR: 30\r
D/RILJ ( 5176): [0085]< QUERY_AVAILABLE_NETWORKS error: com.android.internal.telephony.CommandException: G
ENERIC_FAILURE
This is the error through logcat for RADIO
Having the same issue
I noticed in addition that there is a difference i the SIM-lock is enabled or not.
When it is not enabled the "SIM error" icon does not appear and the radio symbol is an "x"
When it is enabled I am asked for the PIN at boot and after I enter it the "SIM error" icon is also shown.
So at least the phone seams to be still reading the SIM but that's about it.
I recently purchased a N900T from Swappa and the phone refuses to connect to Tmobile network.
It worked fine until I updated the phone to the latest firmware via the phones update menu. I tried Kies and Odin and flashed the stock NF9 firmware multiple times yet it wont detect or let me connect to a network. It sees my SIM card, phone number etc but mobile network type is unknown and service state says out of service. I cant manually or automatically pick tmobile from the list of network operators because it times out and says try later.
Dialing #06# gives me a "Not registered on network" message. I checked the phones IMEI and it seems to be fine.
Does anyone have an idea what I can try next?
Is the imei blacklisted? Not sure if that would be the case with your phone.
Check your APN, use an app called Tweakker. Go to settings more networks, mobile network, then check APN. Tweakker will help you with the correct settings.
Hi all, so here's my conundrum...the wifi in my Samsung i747 has ceased to connect to any wifi network. It scans and finds any network like normal but when i enter the password for the network it doesn't connect and goes back to 'saved' instead of 'connect' in the wifi settings menu. I tried re-flashing the stock rom, wiping data partitions, factory resetting and up until yesterday i flashed in the carbon rom with micro gapps to see if it would have worked but all has failed so far....any ideas anyone?
Can your phone make a receive calls and text messages? Can it connect to the carrier's data network?
What bootloader and modem are on the phone?
yes i can connect to my local carrier and make calls...i am also able to get data services. if i use my laptop and repeat the wifi network the phone will connect to it but not directly to any wireless router. how do i find my bootloader, csc and modem info? tried *#1234# but probably how my rom is custom it's not working?
Since everything is working and you have tried custom ROMs.
To find information about your bootloader and modem, install the Samsung Phone Info app from the Play Store.
It's important to know the bootloader before flashing files.
narell said:
yes i can connect to my local carrier and make calls...i am also able to get data services. if i use my laptop and repeat the wifi network the phone will connect to it but not directly to any wireless router. how do i find my bootloader, csc and modem info? tried *#1234# but probably how my rom is custom it's not working?
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It got this problem too, my phone is Modem NE4 , Imei and baseband is ok
pls show me how o fix this problem
I bought this phone off of a local guy on FB and factory reset it. Well now it will not connect to my mobile network or wifi when trying to set the phone up. I tried booting it into recovery and nope. . When i restyart setup it with my sim card in it it tries to connect to mobile but just keeps trying until it times out., same with WiFi. I can't make it any farther than that. The phone worked before the reset just fine , it just had all his crap still on it. My sim card and my wifi both connected to it prior to reset. I am stumped and i need this phone bad with a daughter sick with COVID 19 in Ohio( I am in AZ) i need it badly:. plz help!! thank you in advance.
If you know the exact model number of your phone, then just download the firmware and install as per this guide https://forum.xda-developers.com/lg-g7-thinq/how-to/cross-flash-oreo-pie-firmwares-lg-g7-g7-t3915303
Hope all turns out well.....
lefttobleed said:
If you know the exact model number of your phone, then just download the firmware and install as per this guide https://forum.xda-developers.com/lg-g7-thinq/how-to/cross-flash-oreo-pie-firmwares-lg-g7-g7-t3915303
Hope all turns out well.....
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thx for your reply. Since I cannot ACCESS ANY OF THE SETTINGS , can I still install firmware. I thought I had to enable USB DEBUGGING and unlock the bootloader before i could do any of that? I am asking because I am not completely new to this but I am far from knowledgeable either.
I can get it into download mode but no farther. it does look for the network but the mobile network signal bars have an x on them and signal bars are faded. , the WIFI network icon never shows up at al i am going to try what you suggested now. thank you for your responce
fix you suggetsted says don't work with TMOBILE.
hustleMuscle420 said:
thx for your reply. Since I cannot ACCESS ANY OF THE SETTINGS , can I still install firmware. I thought I had to enable USB DEBUGGING and unlock the bootloader before i could do any of that? I am asking because I am not completely new to this but I am far from knowledgeable either.
I can get it into download mode but no farther. it does look for the network but the mobile network signal bars have an x on them and signal bars are faded. , the WIFI network icon never shows up at al i am going to try what you suggested now. thank you for your responce
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Click to collapse
it says it don't work with TMOBILE and its a tmobile phone!!!
hustleMuscle420 said:
it says it don't work with TMOBILE and its a tmobile phone!!!
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Click to collapse
Oh t-mobile is a problem. Maybe the seller had unlocked it or something. You will have to contact the seller.
I'm gonna lose my mind.
Last week I did a factory reset. Everything was great for a few days. Then as of Monday, my phone no longer connected to mobile network. (I'm on Visible, which is a Verizon MVNO.)
I tried the same SIM card in another phone, and it worked — but a different SIM card did not work in my phone. So it must be the phone, right?
I looked at About phone > SIM card status:
Network: Visible
Mobile network state: Disconnected
Service state: In service
IMS reg status: Registered
Signal strength: -113 dbm
Network Cell Info Lite app showed the nearest tower and:
SIM state: Ready
Service state: In-Service
I tried resetting network settings and restarting in safe mode, but that didn't help. Visible said to take the phone in to Samsung repair center.
So I did that. They ran a diagnostic, and said everything was fine. They said try factory reset again.
So I factory reset the phone, again, from recovery mode, wiping with cache several times.
After, service was working. Yay!
But then a few hours later, the battery died, and ipon powering back up, I AGAIN no longer have cell service!
Could it be related to adding a work profile? Enabling dev mode?
Any bloody idea what is happening??
I'm loathe to do another factory reset, as it takes me half a day to set up everything again (Work profile authentication, etc.)
Please help save my sanity.
Thanks!
Same problem.. note 10 plus n976b , after flashing stock ROM SIM goes to emergency calls only, now I am on Dr Ketan's ROM but still same problem persists...
Malik Sayriii said:
Same problem.. note 10 plus n976b , after flashing stock ROM SIM goes to emergency calls only, now I am on Dr Ketan's ROM but still same problem persists...
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Click to collapse
I'm not even rooted. Stock rom.
Anyone??
d0g said:
Anyone??
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Click to collapse
Try playing about with this app, it allows you to force the phone to connect to specific network bands, possible you could force it to reconnect when it drops out
Samsung Band Selection - Apps on Google Play
This app will help you access hidden network settings for forcing band selection
play.google.com
SOLVED!
I popped in a SIM from a different carrier, causing phone to restart, then put back the Visible SIM, forcing phone to re-retrieve settings.
Whew!
Couldve been a CSC issue?
d0g said:
SOLVED!
I popped in a SIM from a different carrier, causing phone to restart, then put back the Visible SIM, forcing phone to re-retrieve settings.
Whew!
Click to expand...
Click to collapse
Congrats to you, but my problem didn't solved yet...
@*Detection* i have tried this app many times but didn't worked for me... maybe i have lost my IMEI & device is just showing dummy IMEI though IMEI is same after & before flashing the ROM but when i flashed the IMEI went to NULL in settings then after applying essential fix IMEI came back it also detect the sim but not picking the cellular network only showing the name of network...