I have tried almost all the methods but couldnot upgrade to marshmallow. I am currently on Lollipop and have unrooted, stock recovery everything.Problem comes when I make the final upgrade. File downloads properly, but when on stock recovery is shows some error 7. That your variant is this and is should have been something else.
Have tried flashing almost all the files available for dual sim desire 820 indian variant, but still I did not succeed.. Somebody please help me.
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I'm seriously stressed from thrawling through forums making posts and as of yet I've got no answers, hopefully someone here can help me or discuss my problems.
Yesterday I tried rooting the ZF2 Z00A , Originally a CN 2.20.40.63. It went into bootloop.
At this point ADB does not recognize the phone but fastboot does.
I tried installing a non rooted rom via SD Card but I got a signature verification error.
Now it looks like my only option is to flash a pre-rooted rom via Fastboot as that still recognizes the device. However I cannot find a CN 2.20.40.63 or newer pre rooted rom, I can only find CN 2.20.40.61 ....... am I right in believing that this would not work due to .61 being older than .63? Would it matter if I flashed a WW rom that was .63 or later? Even if it meant the phone was buggy but then allowed me to unroot and install a stock rom I wouldn't mind, I just would like my phone to work again (I only rooted because there was random webpages and apps opening and downloading the whole time).
Please somebody help. Also my brother who is in another country has a rooted CN 2.20.40.63 phone, is there anything he can do?
Hai,
i am from india. i updated the phone to 6.0 from 5.02 thro OTA. After this, the phone went to fast boot mode, so the phone not working. i reset the phone many times, it remains same state.
i unlocked the phone with the same condition thro adb and also installed TWRP 3.0.0--to run the phone atleast in custom Rom or TWRP Backup.
i tried to instal STOCK europe rom but it shows "Failed to mount '/carrier'(invalid argument)......done.
please support asap
Rahmathullah
You can't simply install any stock ROM ... it must be tally with your device version. If it is an India version, you need India stock ROM or stock backup
Is anybody able to make or adjualst a TWRP Recovery to suit this variant (a51_tuhl) as all the custom recoveries found here are not suitable and dont load.
P.s. I have a backed up Stock Recovery image which can be flashed with rashr of flashify with temp-root. However this only for stock KitKat rom.
Also the phone is stuck with KK as there are no updates available, I am surprised to see that in Australia they sell the same phone with Lollipop and Marshmellow according to some of the people here on xda, i wrote emails to HTC askeing them why they dont provided any downloadable updates for this phone, because all other varients are recieving updates, the answered me apologising and saying there arw no planned updates at this stage fornmy variant
anyone can help to upgrade this device, stuck on 4.4.4 and no updates.
So I have been trying to install Cyanogenmod 14, but I am kind of new to this, so I will probably seem pretty stupid. I basically tried to install it but forgot to unlock my bootloader. It was messed up, but I got help to install 2.20.40.184, so it works again. Now, however, I still want to install cyanogenmod 14. Partly because I for some reason don't get the OTA updates (I live in Denmark, where the Zenfone 2 isn't sold, so that may be it), so I've been stuck on lollipop since I got the phone. I don't even get a software update section under settings. So after all this, I tried to unlock the bootloader with the official app that you can download from the Asus website, however, when I do that, I get an error message saying "This device model is not supported". So looking for manual ways to root, I only found one that works with marshmallow, and when I download a ROM for marshmallow, I don't get the notification about an available software update. I also cannot enter recovery mode.
Hope this made sense, and that I posted it in the right place. Thank you!
Asus Zenfone 2
ZE551ML
Z00AD
WW_2.20.40.184
Look for raw file .196 LP from RealYoti on here
Flash it in boot loader, with AFTool
You may have a china firmware converted to WW.
Once you flash try unlock ..or update from sd card to M ...Check my signature for flashing in AFT , also clues in downgrade link for how to write M to be recognised after a reboot for updating
If not got Chinese original serial you should be fine
Then when upgraded to M , Modder tool should be ok for unlocking bl in M
Then you can install 14.1
Hi, thank you very much for your reply.
Should I flash the raw file .196 even though I am using .184 right now? And which of the links in your signature is for flashing with AFtool (and where do I get AFTool?)
I have no idea if I have a chinese firmware converted to WW. Sorry, I am new to this xD
Yes, I am planning to use the modder tool once I have managed to update to Marshmallow.
Thank you very much
I tried to install the rom using the adb and using the sd card method, I was able to flash the 5.0 version again, but it just won't flash the 6.0 I have downloaded every 6.XX version out there and still no luck.
I even tried installed the JP version which is not the compatible one with my phone it started, but then it would stop and give me the error that my phone is the WW version and not the JP version, I really need help fixing this, if anyone has anyway of doing it please let me know, Thank you