QCN restore and mobile networks not work. Need help please!!! - Xiaomi Mi Mix 2S Questions & Answers

At me too after certain manipulations with phone the erase settings Modemst1 and Modemst2 , this two files deleted in my phone. I flash fastboot rom via EDL mode + add modemst1.img, modemst2.img in partition.xml + rawprogram5.xml and they flash in my phone. I've lost imei + meid + esn + baseband unknown. I flash my backup qcn file made by qpst 2.7.472, imei + meid + esn + baseband all shows well and correct, but now the phone has stopped catching mobile networks at all, just burn the gray sticks with a cross. Help me please model Mi Mix 2s M1803D5XA ! Need Solution how to raise mobile networks after recovering from the qcn file made by qpst 2.7.272 from the same phone when everything worked in this phone. Thank all who answer me!!!!

Could you solve it?

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[Completed] guys please help with N900A note3 AT&T

i did mistake a big mistake i edit hex file for :
- rpm
-TZ
-FSG
-FSC
-EFS.img.ext4
-nv1
-nv2
-param
Allll set hex to zero , phone now dead no sign of life no usb,not recognized by pc nothing and wont power on , i did the jig usb but none helped
Please note that : nc2 debrick worked fine (all of u here you should use sim card along with it to work ), but now nothing helped after hex editor >
if you wondering why i did that is because when you you erase hex from nv data 1 and 2 , network lock removed and phone recognize the SIM CARD APN but cause off null/00 imei network not registered( i think this may help some ) , also guys when flashing the Sprint nv1 and 2 network lock removed but imei turns to null/00 or /00
so this may help you all guys , but please some one help me
dev2016 said:
i did mistake a big mistake i edit hex file for :
- rpm
-TZ
-FSG
-FSC
-EFS.img.ext4
-nv1
-nv2
-param
Allll set hex to zero , phone now dead no sign of life no usb,not recognized by pc nothing and wont power on , i did the jig usb but none helped
Please note that : nc2 debrick worked fine (all of u here you should use sim card along with it to work ), but now nothing helped after hex editor >
if you wondering why i did that is because when you you erase hex from nv data 1 and 2 , network lock removed and phone recognize the SIM CARD APN but cause off null/00 imei network not registered( i think this may help some ) , also guys when flashing the Sprint nv1 and 2 network lock removed but imei turns to null/00 or /00
so this may help you all guys , but please some one help me
Click to expand...
Click to collapse
Have you tried to get into downloading mode (pressing Volume down, center key button and power @ the same time)?
You should look here http://forum.xda-developers.com/showthread.php?t=2476353
Maybe you still have a shot with your hard brick.
it wont enter download mode or and no sign of life
Mr. Clown said:
Have you tried to get into downloading mode (pressing Volume down, center key button and power @ the same time)?
You should look here http://forum.xda-developers.com/showthread.php?t=2583603
Maybe you still have a shot with your hard brick.
Click to expand...
Click to collapse
yes i did , and i used before 2G McSD and it worked fine with NC2 ATT dprick , now nothing works

[Guide]Backup your IMEI/MEID on ZTE Nubia Z9 Max

What is IMEI/MEID?
IMEI is the unique 17 or 15 digit code used to identify an individual mobile station to a GSM or UMTS network, without proper IMEI, you'll not be able to receive OTA update in some phone like LG G4.
Similarly, MEID is a globally unique number identifying a physical piece of mobile station equipment.
Anyway, this is your NV Data, if you lost your NV Data, your android device might not work as a phone anymore.
How to backup your IMEI/MEID on ZTE Nubia Z9 Max?
So here is a simple guide on how to backup your IMEI/MEID on ZTE Nubia Z9 Max, in case you accidentally brick your device and need to restore.
So let's see what we need first:
1. Your phone running stock ROM,a PC and a Micro-usb cable
2. QPST v2.7 Build 4.11 or newer
Now get the backup:
1. Connect your phone to PC
2. Bring up your dial pad, dial *#7678#, you'll see something like this, check "Factory Port"
3. Now open QPST configuration, you should be able to see your phone
4.Select "Start Clients"-"QPST Software Download" from QPST Config UI,
5.Select "Backup" from QPST Software Download, press "Start' and you'll get your backup in the "bin" folder of QPST
6.If you ever need to restore from backup, just do 1 to 4 again, and Select "Restore" from QPST Software Download, get your backup and hit Start
this might take a while and your phone will reboot when it's done.DO NOT UNPLUG WHEN RESTORING.
That's all, enjoy your phone.
Repair imei
Hi i lost my imei, i not follow the adequate post and i backup my imei with twrp with the image efs and well this not restoring my imei. But i find a archive nv.qcn of a nubia z9 max, and im thinking to edit the qcn with my imeis and meid and send to my phone but, could this work?. Also my phone is blocked, and i not know how to unlock, This codes works? https://www.safeunlockcode.com/zte/unlock-nubia-z9-max, http://zteunlockcode.blogspot.cl/2015/12/zte-nubia-z9-max-unlocking-code.html?m=1 .
I have a soft brick in my nubia z9 max nx510j of CN Telecom for install another rom that's not of telecom but, when i restore to a telecom rom with nubia emergency tool, this tool change my imei to one of test, and I can't receive signal of 4g, 3g etc.
Please help.
I just wanted to say that there's a sticker with the IMEI/MEID behind the back of the phone, in case you REALLY need it. But be careful removing it, mine broke
help the program says that have a port connected but without phone

[Completed] Lenovo vibe shot z90a40. No radio after QCN update.

Hi guys,
First it's going to be a long post,
You guys try to solve this. I'm ready with my device to experiment.
This is a wired situation, my Lenovo z90a40 was briked. I tried lot of roms.. via twrp, via qfill.. all flashed successfully but the same result.. tried restore backups from senior members, restore was successful but same result. Then one member told me a method by resetting the following partitions. I had a backup via twrp before this.
adb shell
dd if=/dev/zero of=/dev/block/mmcblk0p26 ------this is partition for FSG (golden copy)
dd if=/dev/zero of=/dev/block/mmcblk0p24 -------this is partition for modemst1
dd if=/dev/zero of=/dev/block/mmcblk0p25 --------this is partition for modemst2
dd if=/dev/zero of=/dev/block/mmcblk0p29 --------this is partition for modem st3
He told me to do in two steps.. but I did it all once.. my mistake.. my biggest mistake.. whatever it happened.
Then system booted no boot loop. At that time my ROM was 1625 ( Chinese). Everything went fine.. happy to see my Lenovo booted. But when I checked my IMEI it showed unknown. And I don't know my IMEI..
But Google dashboard helped me to find IMEI. Atleast one IMEI.
Then I restored a qcn file from a member (same model)
without changing anything (IMEI). Rebooted.. got IMEI. But no network. Sims detected got message centre number and internet settings in network settings.. but when I try to make call it shows turn off aeroplane mode.
Tried different roms, 116,240,363... Nothing works..
Then I tried editing qcn file. Put my IMEI (one SIM). Restored qcn (not enabling both SIM options). Got my IMEI in one SIM. But same result.. tried different roms with my IMEI same result.
*#*#4636#*#* in this test mode, under phone information, my radio was off, can't turn it on. when I press smsc my SIM customer care number and message centre number displayed.
Then I found this, I power off my device went to i USB diagnosis menu (vol down + power) I tried RF test, 2G antenna and 3g antenna both failed..
And when I try to load parameter ( I don't know for what this option is for just did) then it showed
Not found file: modemst1.
Not found file: modemst2
Not found file: fsg.
Not found file: persist.
Done.
Picture attached.
Everything else ( WiFi, Bluetooth ) working fine. System (now I'm on 363 ROM) working fine.
solved
appu1988 said:
Hi guys,
First it's going to be a long post,
You guys try to solve this. I'm ready with my device to experiment.
This is a wired situation, my Lenovo z90a40 was briked. I tried lot of roms.. via twrp, via qfill.. all flashed successfully but the same result.. tried restore backups from senior members, restore was successful but same result. Then one member told me a method by resetting the following partitions. I had a backup via twrp before this.
adb shell
dd if=/dev/zero of=/dev/block/mmcblk0p26 ------this is partition for FSG (golden copy)
dd if=/dev/zero of=/dev/block/mmcblk0p24 -------this is partition for modemst1
dd if=/dev/zero of=/dev/block/mmcblk0p25 --------this is partition for modemst2
dd if=/dev/zero of=/dev/block/mmcblk0p29 --------this is partition for modem st3
He told me to do in two steps.. but I did it all once.. my mistake.. my biggest mistake.. whatever it happened.
Then system booted no boot loop. At that time my ROM was 1625 ( Chinese). Everything went fine.. happy to see my Lenovo booted. But when I checked my IMEI it showed unknown. And I don't know my IMEI..
But Google dashboard helped me to find IMEI. Atleast one IMEI.
Then I restored a qcn file from a member (same model)
without changing anything (IMEI). Rebooted.. got IMEI. But no network. Sims detected got message centre number and internet settings in network settings.. but when I try to make call it shows turn off aeroplane mode.
Tried different roms, 116,240,363... Nothing works..
Then I tried editing qcn file. Put my IMEI (one SIM). Restored qcn (not enabling both SIM options). Got my IMEI in one SIM. But same result.. tried different roms with my IMEI same result.
*#*#4636#*#* in this test mode, under phone information, my radio was off, can't turn it on. when I press smsc my SIM customer care number and message centre number displayed.
Then I found this, I power off my device went to i USB diagnosis menu (vol down + power) I tried RF test, 2G antenna and 3g antenna both failed..
And when I try to load parameter ( I don't know for what this option is for just did) then it showed
Not found file: modemst1.
Not found file: modemst2
Not found file: fsg.
Not found file: persist.
Done.
Picture attached.
Everything else ( WiFi, Bluetooth ) working fine. System (now I'm on 363 ROM) working fine.
Click to expand...
Click to collapse
hi guys,
i sloved this issue... its was the wrong qcn file.. when i flashed the correct qcn i got my network back.. everthing working fine as of now...
for this i have to thank
Quote:
vuckovic_stefan
for his time.. special thanks to him..

In Engineer Mode, the CDS missing

So, long story short, I "formated all" through SP flash tool and lost my IMEI. Thankfully they are on the sticker on the back, but I was not able to write them back with any method I tried (example modem meta errors out at 19%).
I have reflashed stock rom to try through engineer mode but the CDS is not showing up on the menu.
Is there any way to bring it back or flash the IMEI?
Redmi 9A (dandelion)
Write imei2 only.
Keep imei1 as null/empty.

[CLOSED] Samsung SM-B350e (Unbrick-Imei Repair***NO NEED PATCH CERT) Guide

Hi
Tonight i have worked on Sm-b350e keypad phone and unbricked it and do imei repair
This phone have two type of soc
Sc6551c and sc8501c
Phone Stucked on logo and reboot after flash because all file flashe stored in internet and supports are for sc8501c
and download mode not work(PC cant set connection for flashing)
i found a way to unbrick it without problem & Imei Repair It with signal(Im Sure First in the world)
----
Only firmware of sc8501c is available in the froums and box supports
Many of thia device bricked by flashing this firmwares.
----
Z3x:
repair imei but cant patch cert
can flash. tar.md5 in download mode
but after phone bricked it cant unbrick
----
octopus box
cant repair imei
can't flash in download mode
but
It can unbrick using spd port
----
i have flashed this phone by z3x then phons goes bootloop and no tool can flash it in download mode then i unbricked it using octopus.
but the way to unbrick is not the ways that other says in froums.
-----------------
Tools we need to unbrick & imei repait
-Resarch download tool
-Nv backup
-octopus box
-z3x tool
-SM-B360 Pac File firmware
****In this method you don't need patch cert every imei you type even 000000............ phone will give you service****
----------
Steps to Unbrick
1-Run Research Download Tool
2-Select Firmware (B360-sc8501c_Samsung_Yucca_CIS.pac)
3-Remove Battery-Hold Button 1 + Connect Usb-insert Battery flash it
4-Run Octopus box
5-Flash(SM-B350E.oct) by ddilshod93
6-Remove Battery-Hold Button 1 + Connect Usb-insert Battery
------------------------------Do Step7 If phone Not bootup
7-Restore Nv Backup(IF You Have Backup From your NV Restore it)(If dont have it Restore This NV Backup)
***Done Phone Should Start Normal****
----------------------------------------------------
STEPS To Repair imei
You Have 2 Option
For Repair Imei In Z3x You should Select FlashMode CheckButton In Repair Section and Remove Battery-hold 1 Button + Insert Cable and Then Insert Battery
Option1:
1-Run z3x
2-Select B360 Device
3-Download Imei Repair Files(SM-B350e imei repair by z3x(dashti.95)xda)extract it
4-Select FDL1-FDL2-NVitem
5-Remove Battery-Hold Button 1 + Connect Usb-insert Battery
Now Device Imei Gone 0000000000000000
6-Select B350 in z3x
7-Repair Imei and No Need Patch Cert-If No Service Then Patch Cert(But It Dont Need)
Done And Imei Repaired
----------------
Option2:
1-Run Octopus
2-Write NV (this NV)
3-Run Z3x
4-Imei Repair and Done No need Patch Cert
--------------------
Hope I Have Fixed Your Problem Please Like it
and You Can Have Access To my Repo For this model Files on Mega (Here You Are)
----------
GOOD LUCK

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