Galaxy S7 Edge Root - No 4g LTE - T-Mobile Samsung Galaxy S7 Questions & Answers

I have attempted to root my phone, and it has succeeded the last time. I have installed Busybox, Xposed, and verified root works.
Problem is my signal in the status bar only shows 4G, and never LTE, which I have gotten before. I'm also getting H+, and H, as well as 3G, which I never got before. When I had LTE it was a significantly faster than any of the others (H+, H, 3G, E+).
The I softbricked my phone the first time because I used the wrong Xposed framework, so then I reset to factory. However the factory image I downloaded may have been different? I'm not sure, as it appears to be the latest stock firmware, but somehow isn't. Actually, now that I look at it, it appears it isn't a T-Mobile firmware I flashed at all...I have all the T-Mobile bloatware installed, but there's no WiFi calling, that's my first red flag.
I downloaded the firmware from Sammobile, and I'm 100% sure I used the G935T firmware. If you know of a better place to download firmware, or an official site that'd be great. (This is the name of the ZIP I flashed (well, I flashed just the AP in the ZIP: G935TUVU3APG1_G935TTMB3APG1_TMB.zip)
Also, the Kernel Toolkit CPU options do not stick at all, every time I close and reopen the app they are reset back to default.
Anyone have any idea on how to fix these? Thanks.
EDIT: Going back to stock firmware using Kies 3.

Does your baseband match your build number in about phone? I had mismatched the two and got 4G instead of LTE.

im wondering if you ever got this issue fixed i actually have the exact issue ??????

apowers98 said:
I have attempted to root my phone, and it has succeeded the last time. I have installed Busybox, Xposed, and verified root works.
Problem is my signal in the status bar only shows 4G, and never LTE, which I have gotten before. I'm also getting H+, and H, as well as 3G, which I never got before. When I had LTE it was a significantly faster than any of the others (H+, H, 3G, E+).
The I softbricked my phone the first time because I used the wrong Xposed framework, so then I reset to factory. However the factory image I downloaded may have been different? I'm not sure, as it appears to be the latest stock firmware, but somehow isn't. Actually, now that I look at it, it appears it isn't a T-Mobile firmware I flashed at all...I have all the T-Mobile bloatware installed, but there's no WiFi calling, that's my first red flag.
I downloaded the firmware from Sammobile, and I'm 100% sure I used the G935T firmware. If you know of a better place to download firmware, or an official site that'd be great. (This is the name of the ZIP I flashed (well, I flashed just the AP in the ZIP: G935TUVU3APG1_G935TTMB3APG1_TMB.zip)
Also, the Kernel Toolkit CPU options do not stick at all, every time I close and reopen the app they are reset back to default.
Anyone have any idea on how to fix these? Thanks.
EDIT: Going back to stock firmware using Kies 3.
Click to expand...
Click to collapse
Did you get it fixed i have the same issue ?

Related

[Q] Not QUITE back to stock Rogers?

OK
I was having trouble with ICS ROMs and decided to go back to GB.
I chose Silver's GB rom and was mostly happy with it but could not get LTE even in places I know have plenty of signal so I decided to go "bone stock Rogers"
So I Odined back to "stock" using I727RUXKJ7_I727RRWCKJ7_RWC from SamFirmware, and even reset the flash counter.
Mostly looks OK but I still don't seem to get into LTE mode even when I'm in the city (it used to just switch up as I progressed down the highway, then drop back as I left the city (Ottawa))
I tried reflashing just the Rogers modem Radio_RIL_I727RUXKJ7.zip, but no difference...
Today I thought I would see if Kies recognized my phone as being "stock", so I let it do it's upgrade and connected my phone... it saw the phone but reports it as "Your device does not support software upgrading via Kies."
The firmware it sees says "Current firmware version: PDA:KJ7 / Phone:KJ7 / CSC:KJ7 (ATT)"
I suspect that the "(ATT)" is where the problem is (maybe for my LTE issue too??)
Anyone know how I get the CSC to stop reporting itself as ATT?
Thanks,
Jamie
robinsonj said:
OK
I was having trouble with ICS ROMs and decided to go back to GB.
I chose Silver's GB rom and was mostly happy with it but could not get LTE even in places I know have plenty of signal so I decided to go "bone stock Rogers"
So I Odined back to "stock" using I727RUXKJ7_I727RRWCKJ7_RWC from SamFirmware, and even reset the flash counter.
Mostly looks OK but I still don't seem to get into LTE mode even when I'm in the city (it used to just switch up as I progressed down the highway, then drop back as I left the city (Ottawa))
I tried reflashing just the Rogers modem Radio_RIL_I727RUXKJ7.zip, but no difference...
Today I thought I would see if Kies recognized my phone as being "stock", so I let it do it's upgrade and connected my phone... it saw the phone but reports it as "Your device does not support software upgrading via Kies."
The firmware it sees says "Current firmware version: PDA:KJ7 / Phone:KJ7 / CSC:KJ7 (ATT)"
I suspect that the "(ATT)" is where the problem is (maybe for my LTE issue too??)
Anyone know how I get the CSC to stop reporting itself as ATT?
Thanks,
Jamie
Click to expand...
Click to collapse
Cany ANYONE tell me where I can find the Rogers CSC? I can't seem to find a way to extract it from the md5 file. ('cause I have no idea of the file format)
Is there a way to find and edit the file right on my phone instead?
not the right file, the rogers one is "I727RUXKJ7_I727RRWCKJ7_I727RUXKJ7_HOME.tar.md5" , everything u need to know is here http://forum.xda-developers.com/showthread.php?t=1652398
Thanks again,
That worked perfectly... back to stock, re-rooted, and restored... Kies once again recognizes me, and I'll find out Friday, when I get into the city if the LTE is back to working again. (and IF Rogers ever drops ICS I'll be able to install it)
Jamie
robinsonj said:
Thanks again,
That worked perfectly... back to stock, re-rooted, and restored... Kies once again recognizes me, and I'll find out Friday, when I get into the city if the LTE is back to working again. (and IF Rogers ever drops ICS I'll be able to install it)
Jamie
Click to expand...
Click to collapse
yes

[Q] Flashing to stock - phone force closes process com.android.phone, help

Please bare with me since this is the first time having to post for an issue since I usually find an answer on your forums
So here's the situation.
I bought the photon q 4g lte from ebay and it came with the unlocked bootloader.
Needless to say it was with the stock ics and i tried to find a jellybean update because it wasn't taking the ota and ended up going with cyanogen since i had no problems before. However those phones i had before were with sim cards not cdma.
I found out i couldn't update prl or profile manually without having to do something on the pc.
So after searching left and right i found i could use rsl lite (I used 6.1.5) and eventually found the "stock" file from this post
http://forum.xda-developers.com/showthread.php?t=2095536&highlight=rsd+lite
I did the stock jellybean, got it to go through the process and it booted up with no errors.
However, when it boots into the os it pops up a force close on omadmclient_sprint_dataservice and eventually also on the process com.android.phone.
I tried putting it in airplane mode to see if the service error would go away but it didn't work for the process part crashing.
I tried re-flashing, deleting cache in recovery, doing a data/factory reset in recovery and the one time i was able to do a data factory reset within the settings menu.
I could not find anyone that said they had a rom that worked with sprint and updating prl within the rom, if anyone knows of one let me know and i will flash it through rsd.
Otherwise does anyone have an idea of what could be happening because googling the omadmclient part did not pull up anything specific and pulling up the process issue for other phones has not helped me either.
Was this a hacked GSM phone, or are you using it as CDMA?
I've never heard of people having FC issues after flashing a FXZ from RSD. Which one did you flash? Android 4.1.2 - Sprint US - 9.8.2Q-122_XT897_FFW-5 (No simlock) ?
If you are on stock, you should be able to update the PRL within the ROM.
I was trying to use it with cdma network through sprint. and yeah that was the file i downloaded, had to remove the getvar to get it working but flashed with no errors after doing that.
As for updating the prl i can barely navigate through the phone, there is no home page loading and the process pop comes up often enough that its hard to go through the settings
crispy6 said:
I was trying to use it with cdma network through sprint. and yeah that was the file i downloaded, had to remove the getvar to get it working but flashed with no errors after doing that.
As for updating the prl i can barely navigate through the phone, there is no home page loading and the process pop comes up often enough that its hard to go through the settings
Click to expand...
Click to collapse
Sounds like something went wrong mate. Are you already activated on Sprint? I don't know if that would matter, it might.
I would honestly redownload and redo the RSD process.
arrrghhh said:
Sounds like something went wrong mate. Are you already activated on Sprint? I don't know if that would matter, it might.
I would honestly redownload and redo the RSD process.
Click to expand...
Click to collapse
I originally tried to activate the phone through cyanogen and then when the rep said he couldnt do it because of the lack of prl to update within the rom we just setup the activation back on the old phone/ That phone is working on the network.
I re-downloaded the file just in case and re-flashed but same problem. The only thing i thought of was maybe updating the radio but since its a stock rom it should work out of the gate. whats also weird is i tried turning wifi on but it didnt work either.
Anychange you know of a rom that works with sprint. I dont care if its stock since i would probably root later again.
crispy6 said:
I originally tried to activate the phone through cyanogen and then when the rep said he couldnt do it because of the lack of prl to update within the rom we just setup the activation back on the old phone/ That phone is working on the network.
I re-downloaded the file just in case and re-flashed but same problem. The only thing i thought of was maybe updating the radio but since its a stock rom it should work out of the gate. whats also weird is i tried turning wifi on but it didnt work either.
Anychange you know of a rom that works with sprint. I dont care if its stock since i would probably root later again.
Click to expand...
Click to collapse
Which one are you flashing?
Try another perhaps...? I honestly have never heard of this. It sounds like the phone might be damaged, or the RSD process just did not flash correctly.
I guess I should ask, was the phone modified at all for the GSM SIM slot mod? I wonder if having a non-Sprint SIM in is messing with it... That is just a shot in the dark.
arrrghhh said:
Which one are you flashing?
Try another perhaps...? I honestly have never heard of this. It sounds like the phone might be damaged, or the RSD process just did not flash correctly.
I guess I should ask, was the phone modified at all for the GSM SIM slot mod? I wonder if having a non-Sprint SIM in is messing with it... That is just a shot in the dark.
Click to expand...
Click to collapse
so far the only rom i tried was 10.1 cyanogen and the stock rom for jellybean. However for the stock rom it doesnt let me downgrade to ics with rsd 6.1.5 do you think if i downloaded an old version i could downgrade to a lower stock rom?
Also I honestly had not looked for the cdma roms since most of what i saw was troubleshooting related for this phone but i just saw this rom -AOKP 4.2.2 (Android Open Kang Project) (CDMA&GSM) that you created - http://forum.xda-developers.com/showthread.php?t=2293892
I re-rooted and installed that one and it looks great, just wondered how you got sprint to activate the phone or if you had done it before changing the rom? Also how would the prl and profile be updated.
Lastly the wifi wasn't turning on this time either, it did work initially when i got the phone so that has me stumped.
crispy6 said:
so far the only rom i tried was 10.1 cyanogen and the stock rom for jellybean. However for the stock rom it doesnt let me downgrade to ics with rsd 6.1.5 do you think if i downloaded an old version i could downgrade to a lower stock rom?
Also I honestly had not looked for the cdma roms since most of what i saw was troubleshooting related for this phone but i just saw this rom -AOKP 4.2.2 (Android Open Kang Project) (CDMA&GSM) that you created - http://forum.xda-developers.com/showthread.php?t=2293892
I re-rooted and installed that one and it looks great, just wondered how you got sprint to activate the phone or if you had done it before changing the rom? Also how would the prl and profile be updated.
Lastly the wifi wasn't turning on this time either, it did work initially when i got the phone so that has me stumped.
Click to expand...
Click to collapse
To downgrade to ICS, you need to remove some additional lines. See this post for more information on that.
However, you should be able to update the PRL on either stock ROM.
I think I said this before, but I will say it again. You need to do PRL updates, activate the phone, and get EVERYTHING working on stock BEFORE you flash ANY custom ROM. This is just standard practice - you don't want to put the cart before the horse! Get the phone working, then play with custom ROM's.

[?] Radio/Modem Downgrade

Hello!
I am currently rooted and running the latest COI5 firmware. My signal quality has greatly reduced since upgrading to this firmware. I have attempted to Odin the BOH6 modem/radio file. Once doing so, I get an X on the signal, and baseband version shows "unknown." I then Odin the COI5 modem and I have service back, crappy service, but service never the less. When I have BOH6, I would have LTE, now I have H+. With BOH6 I would have H+ in some areas, now I have EDGE.
Anyone have a suggestion on how I can get back to BOH6 and/or how I can make my service better?
I was trying to play Madden and I keep getting kicked for not having a network connection when it fluctuates from LTE to H+ to UMTS to EDGE.
Thanks!
Tee Jay
Not sure what the cause of your issue is but this is what happened to me. Since I rooted I've been running jovy23's stock modified deodexed ROM. Jovy's ROM does not include the modem so when I updated from BOH6 to COI5 I was using BOH6 baseband for a day. When I got home that night and updated to the COI5 modem I had no network connection at all until I toggled WIFI on & off.
My network connection is working just fine on COI5. I personally can't tell a difference from BOH6. I haven't seen anything other than the LTE & 4G symbols since I got this phone. I know I'm not helping much but just wanted to share.
shouren04 said:
Not sure what the cause of your issue is but this is what happened to me. Since I rooted I've been running jovy23's stock modified deodexed ROM. Jovy's ROM does not include the modem so when I updated from BOH6 to COI5 I was using BOH6 baseband for a day. When I got home that night and updated to the COI5 modem I had no network connection at all until I toggled WIFI on & off.
My network connection is working just fine on COI5. I personally can't tell a difference from BOH6. I haven't seen anything other than the LTE & 4G symbols since I got this phone. I know I'm not helping much but just wanted to share.
Click to expand...
Click to collapse
I appreciate your response.
It just seems that in my area, I'm receiving much weaker signal reception with COI5.
A trick that worked on older models is to flash via odin, however uncheck the option to auto restart. Instead manually power down the phone then reboot straight back into download mode and flash again.
intifadamericana said:
A trick that worked on older models is to flash via odin, however uncheck the option to auto restart. Instead manually power down the phone then reboot straight back into download mode and flash again.
Click to expand...
Click to collapse
I'll have to try that when I get home from work.
Thanks!
intifadamericana said:
A trick that worked on older models is to flash via odin, however uncheck the option to auto restart. Instead manually power down the phone then reboot straight back into download mode and flash again.
Click to expand...
Click to collapse
Tried it. Same thing. Crap.
Thanks for the tip though!

Network problems after updating to Marshmallow.

Sprint GS6 Edge - Unlocked by Sprint - Android 6.0.1
I updated to Marshmallow earlier today and everything is great except for the fact that I am not getting signal on my phone. It keeps saying Searching for Service on the top left of the screen and the signal bars stay at 0.
I tried changing Network Mode but I get an "Emergency Calls only" if i switch to GSM/ UMTS and if I try to look for my network provider manually I get no results. With both LTE/ CDMA and CDMA it just keeps looking for Service.
I am not in the States but have been using this phone for the past year or so with no problems until I updated this morning (downloaded .tar file and flashed it with Odin).
I was rooted and had a custom rom before I updated but I made sure to clean the phone and do all the steps correctly to update. Also, the phone gets signal even without rooting/ custom rom in 5.0.2 (again, Sprint unlocked the phone when I first got it).
Any ideas on what to do/ how to fix this? If it is a problem with the update, is there a way for me to go back to 5.0.2?
Thanks for the help!
Same problem OTA update.
Did u find any solution to your problem I am also outside US, I got an OTA update of Marshmallow for GS6(unlocked by sprint), and it can't find the network anymore, I've been using the phone with the same regional carrier for months and now after the update can't find the network.
Same issue here... I have tried everything... and nada!
Also out of the country with a rooted and unlocked Sprint Samsung Galaxy S6 Edge SM-925P - I tried and searched everywhere, even went to a "GSM Phone Genius Store" and they could not do anything for me. I do get on my network (Orange), on automatic or LTE data works fine but I can't either receive nor make calls. At first I thought it had something to do with the Hands Free Activation pop up but after I could not find any solution I went back to 5.1.1 the Hands Free Activation popped again and of course would not register just like on 6.0.1 but... I had all my network connections working fine. I was able to make calls, receive them and LTE data as well. So that was not the issue. I then (rooted) took off the Hands Free Activation pop up by renaming the SprintDM.apk file to .bak just in case you guys want to remove the annoying notification... In all the searching I found that this was a glitch on Sprint's version of the Marshmallow update, since this is the only 6.0.1 for my SM-925P I could not use another country's 6.0.1 I tried jejeje, believe me I tried... So, it appears that we will have to wait until Sprint finds it in them to fix this but I am very hopeful the REAL Geniuses of XDA could come up with a patch for this issue. The guys at the store I went said that the cell's operating system was not getting the GSM network and that is why I could not make or receive any calls and the LTE was working fine. Hope this helps some and even more hopeful that any of the boyz/girlz of XDA take pitty on us and come up with a fix for this thanks in advance...
Mario Bello Samsung Galaxy S6 Edge SM-925P
Is it because you're out of the States has something to do with it?
A few of us did the same thing but didn't encounter any of the issues you're mentioning?!
So far everything is working smoothly. I just can't wait for a nice MM based ROM to come out for Sprint variants..
I guess but I went back to 5.1.1 and everything works fine... So, I do think so... Oh well, me too waiting on a MM Rom to see if something changes... But meanwhile still NOT able to make or receive calls ...
Possible Fix
I had this problem with a Sprint S6 Flat too, what I did to fix it was to download an older firmware where the S6 was gettin signal then extract the modem.bin from it and flashed it in odin, restart the phone and got signal
How did you extract de file to get the modem?
How did you extract to get the modem?
Extracted and flashed... still issues...
GTOFerrari said:
I had this problem with a Sprint S6 Flat too, what I did to fix it was to download an older firmware where the S6 was gettin signal then extract the modem.bin from it and flashed it in odin, restart the phone and got signal
Click to expand...
Click to collapse
Wow really thought this was gonna work, many thanks... I did as you said and was very hopeful... once I flashed the modem the phone did come up with a signal and I could make calls but now the phone does not switch from GSM to LTE back and forth. If I have it on (Automatic) LTE/Data works fine, as soon as I try to make a call it goes to 3g then just signal up but it does not make the call and then it wont bring back LTE, stays on 3g... I'm dying here with this! If I put it on GSM / UMTS I am able to make calls but no Data...
I did do it with the 6.0.1 as it was, I gonna try this, do a factory reset, flash a clean version of the 6.0.1 and then flash the modem to see what happens.
Again, many thanks GTOFerrari, by far the best option TO FIX this I have see to date.
Mario Bello
---------- Post added at 04:20 PM ---------- Previous post was at 04:09 PM ----------
Nanakwameampong said:
How did you extract to get the modem?
Click to expand...
Click to collapse
Yeah, I was curious as to how to do that as well, spent sometime in google but I found the way, and it is actually very simple. You download the firmware from which you would like to extract the modem. Then with WinRAP or any software like that you find the firmware and click extract on a folder cause about 5 files extract from it or so and you will see the modem.bin file there. Now, the issue was how to flash the bin file through Odin, it does not say "Phone" anymore like previous versions of Odin, so more google time spent and what I ended up doing was converting the .bin file to TAR and then flashed it through Odin clicking on AP like always. I found a software called PeaZip that converts the .bin file into TAR... There's probably a way to flash it through Odin as a .bin file clicking on one of the other options BL, CP (probably this one CP) or CSC but I don't know which represents "Phone" for sure so I converted the file as instructed on another XDA thread and that's how I did it.
Hope this helps, and again, the props on the solution goes to GTOFerrari...!
Mario Bello
mariobello said:
Wow really thought this was gonna work, many thanks... I did as you said and was very hopeful... once I flashed the modem the phone did come up with a signal and I could make calls but now the phone does not switch from GSM to LTE back and forth. If I have it on (Automatic) LTE/Data works fine, as soon as I try to make a call it goes to 3g then just signal up but it does not make the call and then it wont bring back LTE, stays on 3g... I'm dying here with this! If I put it on GSM / UMTS I am able to make calls but no Data...
I did do it with the 6.0.1 as it was, I gonna try this, do a factory reset, flash a clean version of the 6.0.1 and then flash the modem to see what happens.
Again, many thanks GTOFerrari, by far the best option TO FIX this I have see to date.
Mario Bello
---------- Post added at 04:20 PM ---------- Previous post was at 04:09 PM ----------
Yeah, I was curious as to how to do that as well, spent sometime in google but I found the way, and it is actually very simple. You download the firmware from which you would like to extract the modem. Then with WinRAP or any software like that you find the firmware and click extract on a folder cause about 5 files extract from it or so and you will see the modem.bin file there. Now, the issue was how to flash the bin file through Odin, it does not say "Phone" anymore like previous versions of Odin, so more google time spent and what I ended up doing was converting the .bin file to TAR and then flashed it through Odin clicking on AP like always. I found a software called PeaZip that converts the .bin file into TAR... There's probably a way to flash it through Odin as a .bin file clicking on one of the other options BL, CP (probably this one CP) or CSC but I don't know which represents "Phone" for sure so I converted the file as instructed on another XDA thread and that's how I did it.
Hope this helps, and again, the props on the solution goes to GTOFerrari...!
Mario Bello
Click to expand...
Click to collapse
In many forums that I've read, mentions that most sprint mobile works only on 3G outside the US
I'm from México and that's how we use it, sometimes get LTE, sometimes not
And the modem.bin is flashed in CP in the latest Odin
conversion of bin to tar?
can you please help with how to do the conversion of the bin file to a tar file using peazip?
Nanakwameampong said:
can you please help with how to do the conversion of the bin file to a tar file using peazip?
Click to expand...
Click to collapse
No need to convert .bin to .tar
Just flash modem.bin in latest Odin in CP
Forgot I had posted this here, too.
Tried what GTOFerrari said and it is working now.
Thanks for the help!
GTOFerrari said:
No need to convert .bin to .tar
Just flash modem.bin in latest Odin in CP
Click to expand...
Click to collapse
Yes, it is working now, many thanks GTOFerrari...!
Mario Bello
Like GTOFerrari said, just click on CP in Odin and put the modem.bin file there... Works fine like that. No need to convert to tar like I did before...
Mario Bello
Same issues
I have the same problem here. Where's the modem.bin located on
I have the new marshmallow in my note 4 sm-n910p used to have Lte network before fine but know I don't have signal. I did flashed the modem. Bin from the version 5.1.1 that used to work but still have the same issue. Any ideas?
Maybe simple but...
T8by said:
I have the new marshmallow in my note 4 sm-n910p used to have Lte network before fine but know I don't have signal. I did flashed the modem. Bin from the version 5.1.1 that used to work but still have the same issue. Any ideas?
Click to expand...
Click to collapse
You know, I did that and did not work but I took the SIM out and rebooted and it has worked ever since... you probably have already done this but still no harm in mention it, give it a try if you haven't yet, hope it works.
Best, Mario Bello :good:
Thank you for the reply. I tried that without success.. Still no signal. The modem version that I have now is N910PVPU4COG5. Which one are you using Mario, if it is not too much to ask?
Modem version...
T8by said:
Thank you for the reply. I tried that without success.. Still no signal. The modem version that I have now is N910PVPU4COG5. Which one are you using Mario, if it is not too much to ask?
Click to expand...
Click to collapse
I am on a Sprint Galaxy Edge SM-925P though, I see you are on a Note 4 - probably shouldn't matter but still worth mentioning... My modem version is on the 5.1.1 that worked fine: G925PSPT3BOL1
Hopefully one these great guys can help you better, there are real geniuses here :good:
Best, Mario Bello
Thank you Mario. I noticed that my network options used to included in the version 5.1.1 CDMA/EvDo/GSM/ O WCDMA , and my used to work fine in H+ in network mode gsm/wcdma. Now I only get the network options Cdma/Lte .. Gsm/Umts. I will keep trying and let you know if I get it to work.

Phone has no radio/baseband, help please

Somehow I ****ed up and now my phone cannot receive cellular signal at all. In about phone, IEMI number is unknown and in SIM card info, everything is unknown. What I did was this.
1. Flash CSC Selector on my existing ROM selecting ATT CSC. Everything was fine (aside from no voice/wi-fi calling)
2. Wanted to update to latest stock PDA/radio/bootloader so I did (through Odin.) Everything still good.
THIS IS WHERE **** HIT THE FAN
3. Flashed TWRP.
4. Formated data, flashed CSC selector selecting ATT, flashed Makisk, flash Makisk-PHH rot.
After that, no cellular signal at all.
Can someone help please? I really need this phone for work and if I can't get it working tonight, I'm going to have to go to AT&T store and ask for the cheapest phone they got until I can get this fixed...
BTW I already tried re-flashing everything to stock through Odin and it did not help.
http://forum.xda-developers.com/s7-edge/how-to/guide-how-to-fix-check-drk-imei-issues-t3379516
Follow the instructions. Faced the same problem took hours to figure the **** out.

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