Help help please help - Asus Zenfone Max Questions & Answers

how to unlock bootloader without using this unlock tool? because my serial no. got changed ...help me pls

rhudsonsamuel said:
how to unlock bootloader without using this unlock tool? because my serial no. got changed ...help me pls
Click to expand...
Click to collapse
I also locked the bootloader of 8916 and lost my imei as well as serial no. And volte.What i did was just recover the imei an serial no and then flashed the marshmallow beta version which allowed me to flash twrp and then i finally flashed the aim rom and then flashed the indian moden in 8196 and voilla volte started working.This method took me around a month

pranshaks said:
I also locked the bootloader of 8916 and lost my imei as well as serial no. And volte.What i did was just recover the imei an serial no and then flashed the marshmallow beta version which allowed me to flash twrp and then i finally flashed the aim rom and then flashed the indian moden in 8196 and voilla volte started working.This method took me around a month
Click to expand...
Click to collapse
Brother i have lost my imei and serial no ...no network no calls ...unable to unlock bootloader mine is 8939...can u help please

amanksinghhh said:
Brother i have lost my imei and serial no ...no network no calls ...unable to unlock bootloader mine is 8939...can u help please
Click to expand...
Click to collapse
1)download the qcn file https://androidfilehost.com/?fid=745849072291683005
(if this qcn file doenot work just google and download the othere qcn file for 8939
2)google how to restore qcn file(will involve opening diag port and ****)
3)and voilla your imei no. will be back
4)to restore your serial no. (root and terminal emulator must be installed), type in terminal emulator:-
1. su
2. dd if=/dev/block/bootdevice/by-name/factorybak of=/sdcard/factory
Wait a sec...
3. dd if=/sdcard/factory of=/dev/block/bootdevice/by-name/factory
and simply restart
i am afraid that i cannot help you with the unlocking bootloader, there is no way to re unlock it, with 8916 there is a beta rom which has a bug in its fastboot which allows you to flash twrp without even unlocking bootloader .but i m afraid there is no such rom for 8939.But you can try and find one,just like i found the beta rom after a month

pranshaks said:
1)download the qcn file https://androidfilehost.com/?fid=745849072291683005
(if this qcn file doenot work just google and download the othere qcn file for 8939
2)google how to restore qcn file(will involve opening diag port and ****)
3)and voilla your imei no. will be back
4)to restore your serial no. (root and terminal emulator must be installed), type in terminal emulator:-
1. su
2. dd if=/dev/block/bootdevice/by-name/factorybak of=/sdcard/factory
Wait a sec...
3. dd if=/sdcard/factory of=/dev/block/bootdevice/by-name/factory
and simply restart
i am afraid that i cannot help you with the unlocking bootloader, there is no way to re unlock it, with 8916 there is a beta rom which has a bug in its fastboot which allows you to flash twrp without even unlocking bootloader .but i m afraid there is no such rom for 8939.But you can try and find one,just like i found the beta rom after a month
Click to expand...
Click to collapse
Not able to flash twrp recovery not able to root my device because bootloader is locked....have u any solution to root my device ....

Related

Revert back to locked state after unofficial unlock (Redmi note 3 pro/SD)

Hi All, I have unlocked the bootloader the unnofical way and i am on global 7.1.7.0(LHOMICL) with twrp and root.
I now have recieved the official sms to unlock from xiaomi.
Already i had to open the phone 3 times to get into edl mode. I really dont wont to open the phone agian.
When i try to unlock the tool answers no need to unlock. I think this is because i flashed the adapted emmc_appsboot.mbn and boot.img thru fastboot.
Do i have to change te rom to another version before i try thru edl or fastboot? What is the best procedure to official unlock now because i read a lot of bricks if they try to revert back to original state.
Can some one give me a detailed guide? Thanx in advance.
You need to flash a fully stock edl ROM on top of your current setup.
This will wipe out your hacked bootloader and throw the original (still locked) one back onto your device.
Then just unlock as usual. I did the procedure myself today already as I got my unlock notification today as well.
Ok thnx for the info. I have changed this global rom 7.1.7.0 in great extend and dont wont to lose this setup.
So can I backup my current setup with twrp with the hacked bootloader.
Flash the complete global 7.1.7.0 in edl mode. Unlock with the unlock tool.
Root the rom and install twrp.
After this can i restore the backup with the hacked bootloader with twrp?
I dont know how the unlock tool of xiaomi works, so i could leave the official bootloader in place when i do the restore with twrp and only replace system and data partition or can i flash all the parts back with twrp to keep the unlock?
Wich procedure will keep the official unlock in place or will this unlock stick always?
davegrond said:
Hi All, I have unlocked the bootloader the unnofical way and i am on global 7.1.7.0(LHOMICL) with twrp and root.
I now have recieved the official sms to unlock from xiaomi.
Already i had to open the phone 3 times to get into edl mode. I really dont wont to open the phone agian.
When i try to unlock the tool answers no need to unlock. I think this is because i flashed the adapted emmc_appsboot.mbn and boot.img thru fastboot.
Do i have to change te rom to another version before i try thru edl or fastboot? What is the best procedure to official unlock now because i read a lot of bricks if they try to revert back to original state.
Can some one give me a detailed guide? Thanx in advance.
Click to expand...
Click to collapse
Plz could you help me and tell me where you got the hacked unlocked bootloader cause I bricked my redmi note 3 pro snap dragon and only only fastboot is available and when I try to flash it I get the message device locked boot locked can not flash and plz hobe me a detaild link and downloads and how to flash also I did not get the unlock code and how to get the locked one back z original plz help best regards
Plz indeed to know how to hack the bootloader cause I bricked my phone and I need to make it life
MrColdbird said:
You need to flash a fully stock edl ROM on top of your current setup.
This will wipe out your hacked bootloader and throw the original (still locked) one back onto your device.
Then just unlock as usual. I did the procedure myself today already as I got my unlock notification today as well.
Click to expand...
Click to collapse
please give a detailed tutorial how to do it. I am now in AOSP with unofficially unlocked bootloader. How to relock it again to unlock officially?
Relock Bootloader
I see many asking how to Relock Bootloader, especially those who had unlocked unofficially.
The steps to be followed are following:
(1) Turn on USB debugging for your phone;
Go to Settings -- About Phone --> Touch 7 times on "MIUI version" to Enable Developer Options.
Now go to Settings - Additional Settings - Developer Options --> USB debugging.
Enable USB Debugging and Connect to PC.
(2) Download Fastboot ROM (file extension .tgz or .tar) from
Code:
http://en.miui.com/a-234.html
(3) Boot into EDL
adb devices (to check it's connected)
adb reboot edl
(4) Use MI Flash Tool to Flash the Fastboot ROM
PS: It is assumed that person knows how to get drivers installed for phone if not already, use ADB command as well as know MI Flash Tool basics.
@BRoy_98 @ioosis @davegrond : hope this helps.
@MrColdbird Thanks for the tip
BRoy_98 said:
please give a detailed tutorial how to do it. I am now in AOSP with unofficially unlocked bootloader. How to relock it again to unlock officially?
Click to expand...
Click to collapse
Thx
Sent from my Redmi Note 3 using XDA-Developers mobile app
Unable to relock
Someone please let me know how to relock the bootloader.
I tried flashing the global rom using flash tool but still it says unlocked when i check it from fastboot mode.
anwar08 said:
Someone please let me know how to relock the bootloader.
I tried flashing the global rom using flash tool but still it says unlocked when i check it from fastboot mode.
Click to expand...
Click to collapse
On MiFlash, select folder of Fastboot ROM, then click on Advanced, and in fastboot script select flash_all_lock.bat. After it, close MiFlash then open it again and check in advanced if flash_all_lock.bat comes selected. If yes, close advanced box and flash ROM. Don't forget to close and open MiFlash after choose flash_all_lock.bat script, it's important step. And you can do it in Fastboot mode, don't need to go to EDL mode to flash the ROM.
andersonaragao said:
On MiFlash, select folder of Fastboot ROM, then click on Advanced, and in fastboot script select flash_all_lock.bat. After it, close MiFlash then open it again and check in advanced if flash_all_lock.bat comes selected. If yes, close advanced box and flash ROM. Don't forget to close and open MiFlash after choose flash_all_lock.bat script, it's important step. And you can do it in Fastboot mode, don't need to go to EDL mode to flash the ROM.
View attachment 3854529 View attachment 3854530 View attachment 3854531 View attachment 3854532
Click to expand...
Click to collapse
Am using the 32 bit beta version and there is no Advanced option
anwar08 said:
Am using the 32 bit beta version and there is no Advanced option
Click to expand...
Click to collapse
see if it's in Configuration.
warranty
does rooting redmi note 3 void warranty bcuz it has a locked bootloader and cannot root without unlocking it ????
and can we lock bootloader again for warranty claims ????
plzz help ???
ty.
Why can't we directly update the device..
Like after flashing miui ROM (7.1)then installing (8.1)....will the bootloader get locked....
?....somebody have any idea place help out
Q. Can the device be rooted without voiding warranty?
A. Yes, by unlocking the BL unofficially.
Q. Once rooted and on MiUI, can I update using Updater?
A. No! You'll lock your BL and end up in a bootloop. Instead, use the updater to download the zip file, reboot into recovery (TWRP or ZCX) flash the zip first and then the universal boot.img patched/lazy flasher and reboot to system.
I followed the method mentioned in the replies to relock the bootloader, i.e, flashed the fastboot rom in edl mode
But for some strange reason, when I entered the fastboot mode and checked whether the bootloader is locked or not by "fastboot oem device-info", it said "Device Unlocked: True"
The main problem came when I booted into the ROM; It broke all kinds of wireless connections. The wifi malfunctioned, the phone wouldn't read the SIM cards etc.
Is there a solution? Please help
Thanks

HELP! Need donor QCN file for ZE550KL (z00ld or ww)! Zero IMEI, No Network!

After flashing multiple roms & testing, my IMEI is ZERO! Even after I inject new IMEI which I copied from back of battery compartment, I still could not get any network connection (emergency calls only).
If you own the same model & region as mine (ZE550KL z00ld ww), please donate your working QCN to me! I have troubleshoot this issue for the past 48 hours without any improvement, a search yields many phone owners with the same problem. Some cannot get 3G/4G anymore and are stuck on EDGE/2G. My country's 2G infrastructure will be taken down in 3 months time.
This problem could be due to ROM flashing, OTA upgrades, selecting RADIO BAND to USA when living in another country, deleting the modemst1/st2 files etc etc
You may want to replace your IMEI with some arbitary numbers 1199119911991199 or something, even if you don't input any numbers, I will use my own IMEI. IMEI is stored at NVram item 550, just exclude it from the file.
For reference, links to do the change IMEI and restore successfully,
http://www.androidbrick.com/ultimate-guide-qualcomm-snapdragon-imei-baseband-repair-fix-part-2/
http://forum.xda-developers.com/showpost.php?p=69824602&postcount=27
THANK YOU IN ADVANCE!
my email: pokipokipxorn @ gmail.com
Edit: I just did a Network Reset, now my WIFI cannot connect, bummer, wth!
bump, help please!
why can't anyone from this forum try to help me???? (devs included)
u just have to put the phone in DIAG mode (adb shell -> su -> setprop sys.usb.config diag,adb), any CM13 rom will do
install qualcomm drivers
launch qpst
make a QCN BACKUP file
then use a hex editor to edit your IMEIs to 111111111111111111 and attach the files here
that's it, the file is around 700kb only
i find it hard to believe no one else except me need this file.
If u are an avid custom rom flasher, u need this file too!!!! coz its simply too easy! to bork values in the nvram, just by flashing nightlies, ota updates or just trying a new rom, and there are many roms to try here
btw: I found 2 copies of RAW/SERVICE ROM firmware for ZE550KL, it's vital to revive any hard bricks due to partition failure of any kind, will post links later after I find the original links again
Asus Zenfone 2 Laser ZE550KL (Z00LD, WW) SERVICE ROM or FIRMWARE
Service rom/firmware is vital to recovery from any type of partition failure, it is flashed using Asus Flash Tool (AFT). Note that this is different from the usual Asus ROM upgrades. If AFT fails for whatever reason, simply unzip the file and run flashall_AFT.cmd, it's a simple batch file.
there are 2 files, one from a russian forum, another (can't remember), I lost both links but will upload my copy using a higher speed link, mine is 4Mb broadband package only, upload 512kb max.
filename : WW_ZE550KL_21.40.1220.1794_rel_user-20160722041335-secured-releaseAFT.zip
filename : [firmware27].WW_ZE550KL_1.17.40.1234-rel-user-20160304185904-secured-releaseAFT_QC.zip
note: this forum is hopeless!
did u flash the modem, i don't have much knowledge, but i got networks after the modem flashing
nothing worked except a working qcn file (ze550kl), heck i even tried flashing qcn from lenovo/xiaomi which has the same snapdragon chipset, didn't work, radio is dead.
pls make a qcn file, then replace your imei with some other number (111111111111111111) & attach it here, it's for the benefit of others as well.
thank you.
How To Fix Unknown Baseband In Qualcomm Based Phones.
Today 8 out of 10 device by Qualcomm in market and there is one common problem in Qualcomm based phones which is Unknown BaseBand.
Some try to flash phone and some write modems or radio but mostly have no idea why baseband got unknown.
I'm not here just giving solution for Baseband i will tell you reason of this too so you can easily fix whenever you will get device for same.
Reason of unknown baseband & Solution :~
Wrong firmware flashed on device - after flash wrong firmware there is chance to lost baseband because maybe the older firmware look for baseband in c drive (just an example, the author meant 'looking for baseband in the wrong location') and your flashed firmware search it in d drive so you will get unknown baseband cause of wrong path of EFS in firmware, so you can easily fix it by flashing (meaning stock rom)
Corrupted EFS so to fix corrupted EFS you have to erase EFS partition which is MODEMST1, MODEMST2, FSG, please backup these partition first before erase or just erase MODEMST1 and MODEMST2 its safe as FSG is golden copy for them. (FSG is actually a backup of MODEMST1 & 2, golden copy meaning if phone detects erased/zeroed modemst1/2, it will auto copy FSG to modemst1/2)
You can erase partition in fastboot like this "fastboot erase modemst1" and same for other just change partition name,this partition can be erase by adb too as boxes (professional repair kits) do but you will need root and some advance skills
Some time EFS not corrupted, its erased so you can not fixed it by point (2) so you need a working QCN from other working phone (same model) to restore EFS partition.
In order to read and write qcn you need 1 tools QPST ,there is lots of tutorials on net how to read qcn so i will not gonna tell you here same thing so i will cover only important part.
To read write qcn you need qualcomm DIAG port to be enabled and its depend on phone, some phone can enable this just by code and some need root, after root you can use my tool rbsoft mobile tool to enable diag port.
(For enabling DIAG port on ZE550KL, just go adb shell -> su -> setprop sys.usb.config diag,adb Need to disable Windows driver signing first, install Qualcomm drivers to work )
Now you can read and write qcn and you will get your baseband and imei back
To make your work easy i attached QCN in my post for latest phone which come daily on every shop now day.
keep in mind all qcn imei i removed and now its 35000000 (false IMEI) so edit & input your imei with hex editor.
Please if you have QCN which not in our list please post it here it will be helpful for others
Attached Files QCN FILE.zip (662.7 KB, 12 views)
source
Another excellent guide to restoring Qualcomm based phones IMEI/Baseband/No Sims/No Network:
part 1, part 2
Parts relevant to ZE550KL:
Note that the DIAG port cannot be enabled if the phone is using stock rom, so flash CM13 roms so you can enable DIAG port via adb.
pokipokipxorn said:
How To Fix Unknown Baseband In Qualcomm Based Phones.
Today 8 out of 10 device by Qualcomm in market and there is one common problem in Qualcomm based phones which is Unknown BaseBand.
Some try to flash phone and some write modems or radio but mostly have no idea why baseband got unknown.
I'm not here just giving solution for Baseband i will tell you reason of this too so you can easily fix whenever you will get device for same.
Reason of unknown baseband & Solution :~
Wrong firmware flashed on device - after flash wrong firmware there is chance to lost baseband because maybe the older firmware look for baseband in c drive (just an example, the author meant 'looking for baseband in the wrong location') and your flashed firmware search it in d drive so you will get unknown baseband cause of wrong path of EFS in firmware, so you can easily fix it by flashing (meaning stock rom)
Corrupted EFS so to fix corrupted EFS you have to erase EFS partition which is MODEMST1, MODEMST2, FSG, please backup these partition first before erase or just erase MODEMST1 and MODEMST2 its safe as FSG is golden copy for them. (FSG is actually a backup of MODEMST1 & 2, golden copy meaning if phone detects erased/zeroed modemst1/2, it will auto copy FSG to modemst1/2)
You can erase partition in fastboot like this "fastboot erase modemst1" and same for other just change partition name,this partition can be erase by adb too as boxes (professional repair kits) do but you will need root and some advance skills
Some time EFS not corrupted, its erased so you can not fixed it by point (2) so you need a working QCN from other working phone (same model) to restore EFS partition.
In order to read and write qcn you need 1 tools QPST ,there is lots of tutorials on net how to read qcn so i will not gonna tell you here same thing so i will cover only important part.
To read write qcn you need qualcomm DIAG port to be enabled and its depend on phone, some phone can enable this just by code and some need root, after root you can use my tool rbsoft mobile tool to enable diag port.
(For enabling DIAG port on ZE550KL, just go adb shell -> su -> setprop sys.usb.config diag,adb Need to disable Windows driver signing first, install Qualcomm drivers to work )
Now you can read and write qcn and you will get your baseband and imei back
To make your work easy i attached QCN in my post for latest phone which come daily on every shop now day.
keep in mind all qcn imei i removed and now its 35000000 (false IMEI) so edit & input your imei with hex editor.
Please if you have QCN which not in our list please post it here it will be helpful for others
Attached Files QCN FILE.zip (662.7 KB, 12 views)
source
Another excellent guide to restoring Qualcomm based phones IMEI/Baseband/No Sims/No Network:
part 1, part 2
Parts relevant to ZE550KL:
Note that the DIAG port cannot be enabled if the phone is using stock rom, so flash CM13 roms so you can enable DIAG port via adb.
Click to expand...
Click to collapse
Can this QCN use any Zenfone 2 Laser ZE601KL?
I'm just quoting the post, which does not contain any useful QCN for Zenfone.
Please provide service rom for asus ze550kl
My device is hardbricked
No fastboot no recovery
Please help
addy692 said:
Please provide service rom for asus ze550kl
My device is hardbricked
No fastboot no recovery
Please help
Click to expand...
Click to collapse
have u not pc lapy?try dual boot again :silly:
pokipokipxorn said:
After flashing multiple roms & testing, my IMEI is ZERO! Even after I inject new IMEI which I copied from back of battery compartment, I still could not get any network connection (emergency calls only).
If you own the same model & region as mine (ZE550KL z00ld ww), please donate your working QCN to me! I have troubleshoot this issue for the past 48 hours without any improvement, a search yields many phone owners with the same problem. Some cannot get 3G/4G anymore and are stuck on EDGE/2G. My country's 2G infrastructure will be taken down in 3 months time.
This problem could be due to ROM flashing, OTA upgrades, selecting RADIO BAND to USA when living in another country, deleting the modemst1/st2 files etc etc
You may want to replace your IMEI with some arbitary numbers 1199119911991199 or something, even if you don't input any numbers, I will use my own IMEI. IMEI is stored at NVram item 550, just exclude it from the file.
For reference, links to do the change IMEI and restore successfully,
http://www.androidbrick.com/ultimate-guide-qualcomm-snapdragon-imei-baseband-repair-fix-part-2/
http://forum.xda-developers.com/showpost.php?p=69824602&postcount=27
THANK YOU IN ADVANCE!
my email: pokipokipxorn @ gmail.com
Edit: I just did a Network Reset, now my WIFI cannot connect, bummer, wth!
Click to expand...
Click to collapse
Uae this service rom
https://drive.google.com/uc?id=0B43Ue6xY9MmdOGxXZ2RRQUJrOWs&export=download
U will get all files in this
hey guys..
how did u enable the diag port on this device..? any command is not working..
and anyone has Asus_Z00ED working qcn or modem parts..? modemst1 and modemst2..? ZE500KL.? for Asus Laser Quallcomm..?
t-mobile_mda said:
hey guys..
how did u enable the diag port on this device..? any command is not working..
Click to expand...
Click to collapse
diag is working
I need qcn file for Z00L
addy692 said:
diag is working
I need qcn file for Z00L
Click to expand...
Click to collapse
yes it is..there is no pb on diag.. the pb is modemparts or qcn.. we need working device..
t-mobile_mda said:
yes it is..there is no pb on diag.. the pb is modemparts or qcn.. we need working device..
Click to expand...
Click to collapse
My imei is lost
Its been 1 month
No one is sharing qcn file or efs backup
addy692 said:
My imei is lost
Its been 1 month
No one is sharing qcn file or efs backup
Click to expand...
Click to collapse
https://drive.google.com/file/d/0B_D6S6CoxAwEaW9tUVNuSEJycTg/view?usp=drivesdk
Link to QCN file.
Search for 1111111111111111 - SIM 1 IMEI & 1111111111111112 - SIM 2 IMEI
and replace with yours in correct format.
Just for info my device is ZOOL 3GB/16GB Snapdragon 615 variant.
Sent from my ASUS_Z00LD using Tapatalk
addy692 said:
Please provide service rom for asus ze550kl
My device is hardbricked
No fastboot no recovery
Please help
Click to expand...
Click to collapse
How do you enter diag mode?
I tried root WW Android 6.x version which cannot enter diag mode.
chchtono said:
How do you enter diag mode?
I tried root WW Android 6.x version which cannot enter diag mode.
Click to expand...
Click to collapse
adb
adb devices
adb shell
su
insmod /system/lib/modules/diagchar.ko
setprop sys.usb.config diag,adb

How to write Serial Number in Qualcomm Device?

After flashing stock ROM, I faced unknown baseband issue. Then, restored a working qcn of other k6 power device. But, after that IMEI and Serial Number got changed. I changed the IMEI number using some tool. Is there a way to change the serial number too?
bhai i am facing baseband unknown version
and imei 0 on both sims
how do i fix it?
ps: i am rooted with twrp stock nougat 7.0
flashing qcn cant change serial number, only imei can change, which you can obviously cure using hex editing
Note that custom roms dont show the serial number of device, only stock roms do
gtsfreak said:
bhai i am facing baseband unknown version
and imei 0 on both sims
how do i fix it?
ps: i am rooted with twrp stock nougat 7.0
Click to expand...
Click to collapse
For this you have to relock bootloader unroot and downgrade to marshmallow
then only you can flash qcn as diag mode has to be enabled for qcn flashing via qpst tool,
and only marshmallow can Reed your port in diag mode and then only qcn file can be flashed
So steps will be
1 relock bootloader and unroot
2 flash stock marshmallow with qfil tool
3 open phone i diag mode ( vol. up + power)
4 the blue screen is the diag mode
5 then flash qcn with qpst tool
Lenovo phab imei and SN and pn lost
ajay74 said:
For this you have to relock bootloader unroot and downgrade to marshmallow
then only you can flash qcn as diag mode has to be enabled for qcn flashing via qpst tool,
and only marshmallow can Reed your port in diag mode and then only qcn file can be flashed
So steps will be
1 relock bootloader and unroot
2 flash stock marshmallow with qfil tool
3 open phone i diag mode ( vol. up + power)
4 the blue screen is the diag mode
5 then flash qcn with qpst tool
Click to expand...
Click to collapse
Hello Sir,
I have lenovo phab pb1 750 m snapdragon 410 device
I was on marshmallow and flashed lollipop stock and lost device ID like imei , SN, pn..I have all of them I just can't write..I am in Marshmallow currently rooted and bootloader unlocked..
But qpst gives a read only error while writing Changed RF and NV items to phone.
Is their a fix please let me know
Also what is right way to connect phone for qpst I connect in switched on mode and using minimal adb and fastboot I gain root access then only com port is available and my phone will be listed under active phones tab in qpst.
Also com port shows in edl mode but than qpst does not detect active phone only detect as a port.
Please if their is a way let me know.
Very much thanks!
lenovo k6
please i need qcn file for lenovo k6 k33b36
Try this...
Install twrp and root your phone if you haven't already.
adb shell
su setprop sys.usb.config diag,adb
Put phone in ptp mode for the USB setting, you should now have diagnostic mode engaged.
If not, play with the USB settings and the setprop command.
As for the actual flashing of a new imei, you must first zero out your modemst1 and modemst2 partitions.
Boot into recovery, and use the shell for something like...
dd if=/dev/zero of=/dev/block/device/by-name/modemst1
Take a look in your /dev/ folder, you'll figure out what the path is.
Repeat for modemst2
Make a qcn of the zeroed partitions, copy it multiple times in order to always have a zeroed backup.
Write to the zeroed partitions multiple times with the same data.
Meid will write before the imei so you should expect to see it first.
Power cycle your device and behold the greatness of RTFM-ing qpst.
---------- Post added at 08:53 AM ---------- Previous post was at 08:39 AM ----------
Whether it be from an unfortunate situation involving some drunken goats and a botched system update or having it disappear from installing a custom rom, how does one go about writing a serial number to a Qualcomm S.O.C.?
zakee94 said:
flashing qcn cant change serial number, only imei can change, which you can obviously cure using hex editing
Note that custom roms dont show the serial number of device, only stock roms do
Click to expand...
Click to collapse
is there a way to change serial number (not imei) in qualcomm devices?
is there any special tool?

EFS Backup of Mi A1.

Hey
I've sideloaded the Fastboot ROM of 8.1.10 Oreo from Xiaomi and because of choosing the wrong script (flash_factory.bat) without reading instructions, i lost the IMEI of my phone. I've recovered the /persist partition, so there's no problem with the WiFi or the BT connectivity. But i tried a lot of times to recover the IMEI from the phone with QPST and there's no ressult.
So i was wondering if someone can help me with an EFS backup, to try to recover with this the IMEI of my Phone.
The instructions detailled in the other threads about "lost imei" worked, but only with the persist partition, but still no work for the IMEI and baseband.
Please help
If you didn't backup the partition where are located the IMEI,before to flash anything... I think that is unrecoverable...
Maybe with flashpoint,i don't know certanly... but is a big problem that... for sure
lokoxlrock said:
Hey
I've sideloaded the Fastboot ROM of 8.1.10 Oreo from Xiaomi and because of choosing the wrong script (flash_factory.bat) without reading instructions, i lost the IMEI of my phone. I've recovered the /persist partition, so there's no problem with the WiFi or the BT connectivity. But i tried a lot of times to recover the IMEI from the phone with QPST and there's no ressult.
So i was wondering if someone can help me with an EFS backup, to try to recover with this the IMEI of my Phone.
The instructions detailled in the other threads about "lost imei" worked, but only with the persist partition, but still no work for the IMEI and baseband.
Please help
Click to expand...
Click to collapse
Bro flashing 7.8.23 fastboot oem unlock and writedualimei app download and USB diag mode one phone open *#*#717717#*#* and USB diag mode opening and program write dual IMEI restart phone and finishing
8.1.10 flash and phone is back bro
Byramklc said:
Bro flashing 7.8.23 fastboot oem unlock and writedualimei app download and USB diag mode one phone open *#*#717717#*#* and USB diag mode opening and program write dual IMEI restart phone and finishing
8.1.10 flash and phone is back bro
Click to expand...
Click to collapse
Can you give link of which software to use to revive imei 0
Bro program 7.8.23 only working beacuse security
Report if successful.
@lokoxlrock
All tools to change the imei are banned on this site as they are illegal to even own in many countries.
There are only 2 ways allowed on xda.
1. Restore the backed up efs
2. Return to the oem to be repaired where they will charge you for a new mother board.
Byramklc said:
Bro flashing 7.8.23 fastboot oem unlock and writedualimei app download and USB diag mode one phone open *#*#717717#*#* and USB diag mode opening and program write dual IMEI restart phone and finishing
8.1.10 flash and phone is back bro
Click to expand...
Click to collapse
Bro what do you mean please help me

Sd kajad

Ssd
alemarprieto said:
hello i want to repair mi xiaomi mi a1 let me explain what happen . i accidentally used factory reset and mi cell phone got bricked i tried to repair it flashing android 8 (january) but it got reboot and reboot after 1 minute of get into launch app .(i could solve that problem using “dd[/url] if=/sdcard/persist.img of=/dev/block/mmcblk0p27” via TWRP terminal mi cell phone is Working noW but it lost imei and baseband i tried to restore efs using another mi a 1 cellphone (android 7) but it only restored baseband and the first imei is 0 imei sv 00 but second is unknown and unknown , hoW can i fix it?. please:crying:
imei 1 is 867559033212389
imei 2 is 867559033212397
Click to expand...
Click to collapse
flash full stock firmware via mi flash or fastboot
Ahmed.ragab said:
flash full stock firmware via mi flash or fastboot
Click to expand...
Click to collapse
Hello, i did it vía edl and normal flash too ,the same happened but i want to try, please can you give me a link of that filmware to download ? Thancks
Hi , Don't share your IMEI Publicly .
if you face IMEI 0 and SIM 2 IMEI unknown , Use WriteDualIMEI(W+G_eMMC) Tools to rewrite your IMEI (Google the tools as i can't find the link anymore)
To Enable Diag Mode , you need to follow the steps :
1. dial : *#*#717717#*#*
2.Enable USB Debug
3.Connect to the phone
4.Run WriteDualIMEI(W+G_eMMC) as admin
5.Write your ORIGINAL IMEI Note: Change IMEI is illegal
6.Success , Dial *#*#717717#*#* to disable Diag USB PORT
7.Reboot
8.Feedback
alemarprieto said:
hello i want to repair mi xiaomi mi a1 let me explain what happen . i accidentally used factory reset and mi cell phone got bricked i tried to repair it flashing android 8 (january) but it got reboot and reboot after 1 minute of get into launch app .(i could solve that problem using “dd[/url] if=/sdcard/persist.img of=/dev/block/mmcblk0p27” via TWRP terminal mi cell phone is Working noW but it lost imei and baseband i tried to restore efs using another mi a 1 cellphone (android 7) but it only restored baseband and the first imei is 0 imei sv 00 but second is unknown and unknown , hoW can i fix it?. please:crying:
Click to expand...
Click to collapse
Dude don't put your IMEI here it can be misused, here is the link for Official Rom
Link 1 :http://bigota.d.miui.com/8.1.10/tissot_images_8.1.10_20180110.0000.00_8.0_8ea503201b.tgz
Link 2 (Mirror):https://androidfilehost.com/?w=files&flid=240798
Pls hide ur imei, someone could use it.
JoKeRLeE said:
Hi , Don't share your IMEI Publicly .
if you face IMEI 0 and SIM 2 IMEI unknown , Use WriteDualIMEI(W+G_eMMC) Tools to rewrite your IMEI (Google the tools as i can't find the link anymore)
To Enable Diag Mode , you need to follow the steps :
1. dial : *#*#717717#*#*
2.Enable USB Debug
3.Connect to the phone
4.Run WriteDualIMEI(W+G_eMMC) as admin
5.Write your ORIGINAL IMEI Note: Change IMEI is illegal
6.Success , Dial *#*#717717#*#* to disable Diag USB PORT
7.Reboot
8.Feedback
Click to expand...
Click to collapse
thank u so much joker to take the time to read an ansWer , it didn't Work i use the : adb devices
adb shell
su
setprop sys.usb.config diag,adb (becose pc DiDnt recognice the phone using *#*#717717#*#* ) anyai i set it in Diag mode enable , then folloW everithing but didnt Work (of course the program said success) an i disable using (Dial *#*#717717#*#*),after reboot everithing looks the same (imei 1 =0 ,imei sv =00,imei 2 unkno, imei sv unko) baseband is ta.2.3.c1-00544-8953_gen_pak-1
Ahmed.ragab said:
flash full stock firmware via mi flash or fastboot
Click to expand...
Click to collapse
as u can read i already did it ,via edl too
alemarprieto said:
thank u so much joker to take the time to read an ansWer , it didn't Work i use the : adb devices
adb shell
su
setprop sys.usb.config diag,adb (becose pc DiDnt recognice the phone using *#*#717717#*#* ) anyai i set it in Diag mode enable , then folloW everithing but didnt Work (of course the program said success) an i disable using (Dial *#*#717717#*#*),after reboot everithing looks the same (imei 1 =0 ,imei sv =00,imei 2 unkno, imei sv unko) baseband is ta.2.3.c1-00544-8953_gen_pak-1
Click to expand...
Click to collapse
Are you on Oreo ? or Nougat ? I tried all the rom won't work except 7.8.23 Build (first and buggy ROM)
if you tried my method still fail i suggest you to restore using qcn backup , which i personally made for you ( With your IMEI)
but i wont share here but through PM .
You need driver to do this
QPST Setup : https://ia801906.us.archive.org/22/items/QPST.2.7.441/QPST.2.7.441.zip
Qualcomm Driver : http://www.mediafire.com/file/x83c76ektjf2868/QUD.WIN.1.1+Installer-10034.4.zip
*Link taken from :http://en.miui.com/thread-545300-1-1.html
you may follow the guide from there
JoKeRLeE said:
Are you on Oreo ? or Nougat ? I tried all the rom won't work except 7.8.23 Build (first and buggy ROM)
if you tried my method still fail i suggest you to restore using qcn backup , which i personally made for you ( With your IMEI)
but i wont share here but through PM .
You need driver to do this
QPST Setup : https://ia801906.us.archive.org/22/items/QPST.2.7.441/QPST.2.7.441.zip
Qualcomm Driver : http://www.mediafire.com/file/x83c76ektjf2868/QUD.WIN.1.1+Installer-10034.4.zip
*Link taken from :http://en.miui.com/thread-545300-1-1.html
you may follow the guide from there
Click to expand...
Click to collapse
hello jokerlee,
can you make me a qcn with my IMEI too? i will send you a PM
변은주 said:
hello jokerlee,
can you make me a qcn with my IMEI too? i will send you a PM
Click to expand...
Click to collapse
why not
please help, I also run the factory_reset and lost my imei, tried follwing those steps:
Posted by JoKeRLeE
https://www.androidfilehost.com/?fid=673956719939818468
Replace the IMEi with UR Own IMEI . if not it's illegal to use this QCN
Password : testnreport
if you don't know how to change IMEI Using hex editor , try my method . DO NOT use QCN to restore .
(hex and imei provided in order for u to find n replace)
i lost my imei n spent me about 6days n 8 hours per day to find a way to fix it .
actually it's easy to fix the problem .
My own method
1. download the older rom (7.8.23) Link
2. Use flash_all.bat
3.reboot into fastboot mode , erase modemst1 and modemst2 .
fastboot erase modemst1
fastboot erase modemst2
4. reboot
5. go to phone , enter *#*#717717#*#*
6.got to settings enable USB Debugging (ADB)
7. disconnect your phone n connect it back
8.Use WriteDualIMEI(W+G_eMMC) Remember run as administrator , enter your IMEI .
9.if success , go to phone enter *#*#717717#*#* to disable the diag port
10. reboot
Done .
Click to expand...
Click to collapse
the phone freezes upon dialing the *#*#717717#*#* but
can (only) boot to diag mode from fastboot and then "fastboot oem edl". I see the top led blinking in white.
I get stuck in step8 - despite my phone diag port is being recognized in device manage and WriteDualIMEI/QFIL, I get
a big FAIL.
In QFIL I can see the phone is recognized but is not responding to coms.
I tried to change the qualcomm driver to various 9XXX models, com ports, settings etc.
Tried to change fastboot rom versions to 8.XX as well. didn't make a difference.
tried to setprop usb mode to diag from twrp terminal as well.
How did you guys resolve it?
JoKeRLeE said:
Are you on Oreo ? or Nougat ? I tried all the rom won't work except 7.8.23 Build (first and buggy ROM)
if you tried my method still fail i suggest you to restore using qcn backup , which i personally made for you ( With your IMEI)
but i wont share here but through PM .
You need driver to do this
QPST Setup : https://ia801906.us.archive.org/22/items/QPST.2.7.441/QPST.2.7.441.zip
Qualcomm Driver : http://www.mediafire.com/file/x83c76ektjf2868/QUD.WIN.1.1+Installer-10034.4.zip
*Link taken from :http://en.miui.com/thread-545300-1-1.html
you may follow the guide from there
Click to expand...
Click to collapse
it successfully restored my imei thank u so much . you are the best:highfive:
Ok, IMEI is back. Unfortunately, if I update software I loose it again after first reboot. Will all of us have to stick to the very buggy August ROM forever? Anyone found a workaround for this?
JoKeRLeE said:
Are you on Oreo ? or Nougat ? I tried all the rom won't work except 7.8.23 Build (first and buggy ROM)
if you tried my method still fail i suggest you to restore using qcn backup , which i personally made for you ( With your IMEI)
but i wont share here but through PM .
You need driver to do this
QPST Setup : https://ia801906.us.archive.org/22/items/QPST.2.7.441/QPST.2.7.441.zip
Qualcomm Driver : http://www.mediafire.com/file/x83c76ektjf2868/QUD.WIN.1.1+Installer-10034.4.zip
*Link taken from :http://en.miui.com/thread-545300-1-1.html
you may follow the guide from there
Click to expand...
Click to collapse
Hi! Can you do it for me too? I can send my IMEI via inbox. I can't appreciate it enough!
bro i also wan qcn file can you create for me plz....

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