No mobile data, now stuck! - Lenovo ZUK Z2 (Plus) Questions & Answers

I have a stock Z2 and it works fine except for mobile data, i'm now forced to install a custom ROM in the hope this will resolve the issue, however I cannot register with the zuk developer website to unlock the bootloader...
Is there another way to unlock the bootloader? is there another way to register at zuk bootloader from the UK?
Also when downloading opengapps what is the variant? (Arm64/ 7 .1/ ??)
Any advice appreciated :good:
Update: mysteriously the data for the SIM in question (plusnet) works in other phones, but other SIM's like giffgaff the data works ok in the Zuk Z2
So for some reason my plusnet data doesnt work only in the Zuk z2
I'm totally at a loss as to how to sort this out!

Related

No Connection To Network After Update

Hi Frineds,
Sorry for my poor English.. I have a very strange problem after updating new firmaware on my Arc. When i flash new firmaware, my phone doesn't connect to network. I get an error that "sim card preventing to connect with network". I have tried everything but always get this error with new firmaware. Therefore i am still on .145. I have unlocked bootloader, so i use FlashTool. I have tried Global Generic & Nordic versions of new firmaware.
Am i the only one having this problem? Can someone think of any possible reason for that? Any idea?
+1 I am Spanish and I have a Vodafone mobile
Does anyone know any possible reason? Any suggestion, please?
I updated my bro's Arc with FlashTool & he has not any problem with network.. I used my sim card in his Arc & it worked like a charm. What's wrong with my Arc?
Mano1982 said:
Does anyone know any possible reason? Any suggestion, please?
Click to expand...
Click to collapse
Are you preserving your data on flashing? If so that might be the reason.
harfot said:
Are you preserving your data on flashing? If so that might be the reason.
Click to expand...
Click to collapse
No, data wiped But Thanks Harfot you tried to help me out
I was also having trouble with flashing as follows,
After flashing (not wiping user data) generic 4.0.A.2.368 followed by DooMKernel v02 the hole lot was working - not very well but working. Problem was I was not able to install neither BusyBox nor APP2SD.
This was followed by 2 more tries flashing but it never worked but I was shure it could work.
So I flashed the original 3.0.A.2.181, used GingerBreak to root and installed BusyBox. It worked.
Then I again flashed generic 4.0.A.2.368 followed by actual DooMKernel. It worked and BusyBox was still working. Then I installed APP2SD and on reboot that part worked also. At last I restored my user apps with Titanium and the were all moved to the new ext3 partion on the SD card.
Later I have flashed the latest two DooMKernels without any problems.
It might be worth for you to try reflashing.
Reflashing the firmware should solve your problem.
Thanks Harfot & Xtacy! i have actually reflashed my phone multiple times.
1) First Global Generic with FlashTool..
2) Tried Again Global Generic with Flashtool (Without Sim Card in Mobile)
3) Tried WotanServer & flashed Nordic version..
4) Re-locked bootloader & flashed again Global Generic
5) Flashed Nordic Telia version
6) Re-locked bootloader again & changed customization number to Telia Sweden & flashed through SEUS
7) Falshed UK Generic
And result is the same: No network connection
Do you have the possibility to try with another SIM card?
I relocked bootloader today & flashed phone through SEUS first. When i started phone, i got network connection but after just 5 minutes disconnected again & nothing helped. I repaired phone with PC Companion but result is the same..
When i say network connection, i mean GSM Connection.. I can't get GSM connection & therefore can't call someone or send sms..
@Harfot: First i used my SIM in my bro's Arc which is on newest firmaware, I got GSM connection on his Arc with my Sim card.. (Nothing wrong with my sim?)
Then i used his sim card (it was from another operator) in my flashed Arc (on .368) & didn't get any problem, got GSM connection :-/ Now i am confused. My sim card & my phone don't like each other or what?
Mano1982 said:
Now i am confused. My sim card & my phone don't like each other or what?
Click to expand...
Click to collapse
Well, now I am puzzled too.
Try cleaning contacts in phone and suface of sim (no liquid). Try pressing sim card firmly when booting phone.
The solution for me was to change the SIM
@Harfot: Thanks, I'll try again tonight & will follow your suggestion
@neoduende: Thanks, I have actually ordered my service provider to send a new sim card

Carrier unlocking z2 force - Sprint nash

So I bought a used z2 force form a dealer but the phone is carrier locked by sprnt. Is there anyway I can unlock this phone. I live in pakistan so I cant make online payments using paypal and other stuff. Please I need all the help I can get. I am stuck with this phone and I really dont know what to do anymore. I tried installing custom roms but that also didnt work.
One thing I would like to mention. Whenever I flash the phone with a stock oreo rom the sim works but after I restart the phone It says invalid sim. It doesnt even asks me for an unlock code. I used the sim on my phone for a month in this way but my phone accidentally restarted.
Please If anyone can provide me with any method of unlocking I will be truly grateful. And my phone's bootloader is unlocked and TWRP is installed if that helps.

Moto G6 play Mobile data gone after flashing stock rom

Aighty, so, i recently reflashed the stock rom for my Moto g6 play and i noticed that i wasn't receiving any signal at all and my phone said that the sim card is invalid, i tried flashing the rom with the different Boost/Sprint variants and i am still not receiving any mobile data whatsoever.
is there a working method where i can restore my mobile data? my Moto G6 play model is the JETER XT1922-7 Boost Mobile Variant.
Thank you
arnoldcoolful said:
Aighty, so, i recently reflashed the stock rom for my Moto g6 play and i noticed that i wasn't receiving any signal at all and my phone said that the sim card is invalid, i tried flashing the rom with the different Boost/Sprint variants and i am still not receiving any mobile data whatsoever.
is there a working method where i can restore my mobile data? my Moto G6 play model is the JETER XT1922-7 Boost Mobile Variant.
Thank you
Click to expand...
Click to collapse
Did you happen to use fastboot instead of mfastboot?
QWZR II said:
Did you happen to use fastboot instead of mfastboot?
Click to expand...
Click to collapse
Mfastboot? Are you kidding?
QWZR II said:
Did you happen to use fastboot instead of mfastboot?
Click to expand...
Click to collapse
fastboot does everything mfastboot did. Mfastboot hasn't been needed since like android 4 i think
arnoldcoolful said:
Aighty, so, i recently reflashed the stock rom for my Moto g6 play and i noticed that i wasn't receiving any signal at all and my phone said that the sim card is invalid, i tried flashing the rom with the different Boost/Sprint variants and i am still not receiving any mobile data whatsoever.
is there a working method where i can restore my mobile data? my Moto G6 play model is the JETER XT1922-7 Boost Mobile Variant.
Thank you
Click to expand...
Click to collapse
Since its boost you may need to reprovision or reactivate the device. I'm pretty sure there's a dialer code in the stock ROM to do that I just can't remember which one at the moment.

Moto G6 play Mobile data gone after flashing stock rom (repost)

(i posted this in the wrong section so i decided to repost it here)
Aighty, so, i recently reflashed the stock rom for my Moto g6 play and i noticed that i wasn't receiving any signal at all and my phone said that the sim card is invalid, i tried flashing the rom with the different Boost/Sprint variants and i am still not receiving any mobile data whatsoever.
is there a working method where i can restore my mobile data? my Moto G6 play model is the JETER XT1922-7 Boost Mobile Variant.
Thank you
arnoldcoolful said:
(i posted this in the wrong section so i decided to repost it here)
Aighty, so, i recently reflashed the stock rom for my Moto g6 play and i noticed that i wasn't receiving any signal at all and my phone said that the sim card is invalid, i tried flashing the rom with the different Boost/Sprint variants and i am still not receiving any mobile data whatsoever.
is there a working method where i can restore my mobile data? my Moto G6 play model is the JETER XT1922-7 Boost Mobile Variant.
Thank you
Click to expand...
Click to collapse
I had this same issue. I have the exact same model. Try re-flashing everything again and makes sure you haven't put any additional spaces in the commands from my guide. The other option is you will have to get a new sim card and make sure you let the boost and or Sprint rep do everything for it. I had to get a new sim card after sending my phone into Moto I kept the old sim but when I got the new phone the old sim didn't work. I have a friend that works at boost so they just gave me a new sim card for free but it's like 10 bucks for a 3 pack of em.

Bypass network lock?

Has anyone flashed the retail/retus image from mirrors.lolinet.com on this to use with a different carrier? Boost requires you to use their services for 12 months before you're eligible for network unlocking
It will most likely work
I can confirm that flashing retus to the Boost variant works fine to unbrand the device.
thefilefly said:
I can confirm that flashing retus to the Boost variant works fine to unbrand the device.
Click to expand...
Click to collapse
Any issues with connecting to the network or lte? Or is everything running like it normally should? Cause if so that's very interesting
ninjakira said:
Any issues with connecting to the network or lte? Or is everything running like it normally should? Cause if so that's very interesting
Click to expand...
Click to collapse
Worked fine on the Boost network when I tried it.
Flashing RetUS firmware
Earlier this month I picked up a Boost Moto G Fast. I was disappointed to find how much bloatware came with it and that it doesn't include WiFi calling. I have not unlocked the bootloader while I decide if I want to keep this phone or not.
I just downloaded RetUS firmware from lolinet.com.
Do you have instructions for flashing this firmware? I couldn't find any for this phone so I was planning to tweak the instructions for flashing the Moto G7 series at https://forum.xda-developers.com/g7-power/how-to/guide-moto-g7-power-supra-flash-to-t3927138
Any idea if I can flash this without unlocking the bootloader? I'm assuming the factory image is signed by Motorola and should be accepted by the bootloader without unlocking.
Do you have to wipe userdata after flashing or can you keep your apps and data intact since the firmware should be the same version?
Does the RetUS firmware support WiFi calling?
I'll probably be able to answer these questions myself soon enough but I thought I'd ask first.
So after flashing the retus firmware myself on my moto g fast from boost mobile, inserting my active SIM card from tmobile did not work and the uicc said it's still lock to sprint network so I don't believe we can get network unlock simply by flashing different firmware on this
SeaWolfFan said:
Do you have instructions for flashing this firmware?
Click to expand...
Click to collapse
I found instructions for flashing Sofia here, should also apply to Rav: https://www.droidwin.com/install-stock-firmware-on-motorola-g8-power-via-fastboot-commands/
SeaWolfFan said:
Any idea if I can flash this without unlocking the bootloader?
Click to expand...
Click to collapse
Nope. I bricked my phone trying. Do not attempt to flash anything without unlocking the bootloader first.
Flashing the the firmware doesn't remove the carrier lock. Currently have mine on RETUS stock and it still says it's on the Sprint network and the software channel says "Boost."
Unfortunately it doesn't look like there is anyone out there able to unlock these devices either.
I also been trying to work with this...no avail. So far:
Unlocked bootloader since unboxing in December...thanks Motorola developers..
I lost count on how many times I bricked this phone.... probably 7..
I sent it over to MX last month to see how it behaved. They couldn't activate. "Phone is too new'...WTH..
Now is sitting on my night stand. With games apps, Kodi...just waiting to be flashed again. PS: I hate you boost mobile!!
SeaWolfFan said:
Does the RetUS firmware support WiFi calling?
Click to expand...
Click to collapse
I switched away from Boost back in December and recently switched back, so now I can answer this question. No, the RetUS firmware does not support WiFi calling.

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