[Q] New firmware update - ZenFone 2 Q&A, Help & Troubleshooting

Hey, Is it okay to just get the ZE551ML_ WW_V2.19.40.18 and not go thru ZE551ML_ WW_V2.18.40.12?

WW_V2.19.40.18 is for ZE551ML
WW_V2.18.40.12 is for ZE550ML

MatteXperiaU said:
WW_V2.19.40.18 is for ZE551ML
WW_V2.18.40.12 is for ZE550ML
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The latest version for ZE550ML is 2.19.40.13, released today.

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[Q] How to install WW version on CN Z00ADB?

I've recently bought Asus Zenfone Z551ML but chinese version(CN) on aliexpress. There is no Google services at all.
How can I flash CN version to WW rom?
vitaliy8086 said:
I've recently bought Asus Zenfone Z551ML but chinese version(CN) on aliexpress. There is no Google services at all.
How can I flash CN version to WW rom?
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1 flash recovery boot and droidboot version ww
2 flash stock rom ww
29y6145 said:
1 flash recovery boot and droidboot version ww
2 flash stock rom ww
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Before flashing I need rooted zenfone 2 right?
How to get foot on zenfone 2(tried but nothing)
vitaliy8086 said:
Before flashing I need rooted zenfone 2 right?
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No need root [emoji1]
29y6145 said:
No need root [emoji1]
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I've done flash boot and flash droidboot, but how to flash recovery(I have this files: "recovery-from-boot.p" and "install-recovery.sh")?
vitaliy8086 said:
I've done flash boot and flash droidboot, but how to flash recovery(I have this files: "recovery-from-boot.p" and "install-recovery.sh")?
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all this files I took from WW rom, there was no recovery.img file but this two files .sh and .p extensions
This is the general procedure here buddy --> http://www.asus-zenfone.com/2015/04/asus-zenfone-2-pre-root-systemimg.html
And to continue to with the latest firmware updates see here --> http://forum.xda-developers.com/zenfone2/orig-development/rom-pre-root-img-t3079590
Any questions regarding the process and any help you need, ask here --> http://forum.xda-developers.com/zenfone2/help/qa-pre-root-img-t3086068
I'll be getting mines tomorrow it's a CN version as well and others have successfully gotten theirs changed to WW firmware so you'll be good to go :good:
I have the 4gb CN from gearbest it came with the WW rom
hands0m3 said:
I have the 4gb CN from gearbest it came with the WW rom
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Ohhh that's great!! Are you able to update via OTA freely or do u get any error msgs?
cloudnineX said:
This is the general procedure here buddy --> http://www.asus-zenfone.com/2015/04/asus-zenfone-2-pre-root-systemimg.html
And to continue to with the latest firmware updates see here --> http://forum.xda-developers.com/zenfone2/orig-development/rom-pre-root-img-t3079590
Any questions regarding the process and any help you need, ask here --> http://forum.xda-developers.com/zenfone2/help/qa-pre-root-img-t3086068
I'll be getting mines tomorrow it's a CN version as well and others have successfully gotten theirs changed to WW firmware so you'll be good to go :good:
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Ok, flashed successfully to WW version and have 100Gb on google drive)
thanks)
vitaliy8086 said:
Ok, flashed successfully to WW version and have 100Gb on google drive)
thanks)
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awesome stuff!! I cant wait to get mines tomorrow
Hello,
i just think to buy this amazing phone also, but it is possible to unlock the rest of the LTE bands. The Chinese version Z00ADB comes only with FDD-LTE 1 a 3 band enabled. But the WW version has almost all eurpoean bands enabled.
Thanx for answer.
I cannot get the AT&T FDD-LTE working with my CN ZF2 that I already correctly updated with WW version. Apparently, these are country locked in the bootloader and just changing the ROM will not allow the use of the WW FDD-LTE bands to work.
If I am incorrect, please show and explain how to get the WW or US FDD-LTE bands working from your converted CN ZF2.

how much guys? :(

I brought the Asus zenfone 2 two weeks ago, yesterday I finally got the phone, but now I want to upgrade the firmware, I got the 2.18.40 version, what is the new version and what version in the new version? Thank you all.
Model and Version?
I'm using ZE551ML 4GB/64GB and latest update is WW_2.20.40.139_20151104.
SenpaiCham said:
Model and Version?
I'm using ZE551ML 4GB/64GB and latest update is WW_2.20.40.139_20151104.
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Hi bro, my versión is ZE551ML 4gb/32gb /1.8ghz, any idea? Thanks
Plase help ! My phone is Orange rono. It's have 1 custom rom. Custom rom is not working camera plase help
Ayfon cihazımdan XDA Forums kullanılarak gönderildi
isaias1347 said:
Hi bro, my versión is ZE551ML 4gb/32gb /1.8ghz, any idea? Thanks
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Then the latest version is "2.20.40.139" go to Settings > About > System Update > Check Update.
SenpaiCham said:
Then the latest version is "2.20.40.139" go to Settings > About > System Update > Check Update.
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I try, but the sistem dont tell me nothing, only make a search, but dont even say if it área new version
isaias1347 said:
I brought the Asus zenfone 2 two weeks ago, yesterday I finally got the phone, but now I want to upgrade the firmware, I got the 2.18.40 version, what is the new version and what version in the new version? Thank you all.
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Most likely you have CN sku model with broken WW firmware sideloaded to it.
Use this guide to resolve the issue. It will not wipe your apps or settings, but I recommend doing factory reset after you complete the guide.
isaias1347 said:
Hi bro, my versión is ZE551ML 4gb/32gb /1.8ghz, any idea? Thanks
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Just check the auto update in settings, the last firmware for 551ML ends with no. 139, something like .40.139 if i'm correct
dongnguyen2301 said:
Just check the auto update in settings, the last firmware for 551ML ends with no. 139, something like .40.139 if i'm correct
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The auto update doesnt work, i already try several times, and no response
isaias1347 said:
The auto update doesnt work, i already try several times, and no response
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darn, you might want to check if your phone is a world wide version? or is it specifically made for some countries?
one solution: try checking the asus apps on Google and make sure they're uptoday.
another solution: flash the update yourself through recovery, I have no idea about this method because I don't want to root my phone :fingers-crossed:
best luck to you bro
problem solved
I follow the steps un the post on the reply of DiGecko, i really want to say thankyou for you support.
My cellphone comes. With a ww firmware and rrecovery vversion, I don't know what ccauses the issue, but I manually update via adb.
I have problems with the recovery version in the post, the icons and status bar increase their size,but I iinstall the Z008 version instead the Z00A, and now is nI pproblem. I have a ltitle issue with some aops crashing sometimes, but all work fine. Thank you an guys

Asus z00ad is compatible with cm 13?

Hi guys, i have a Zenfone 2 but my model version is Z00AD , in the post says Z00A and i dont know what to do, please help, and sorry for my bad english
Yes it is compatible. I have a ZOOAD as well.
How to update my asus z00ad lollipop to marshmallow pls tell me any one
Vijayasankar said:
How to update my asus z00ad lollipop to marshmallow pls tell me any one
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what is your build number ?
timbernot said:
what is your build number ?
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build no is2.20.40.198_20160930_8756
Vijayasankar said:
build no is2.20.40.198_20160930_8756
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CM 13 is now finished.
Check for updates to M.
My advice is simple , if you didn't know this you are better off not tampering with this phone.
Couple of questions ?
Did you buy this device 2nd hand ?
Or have you unlocked bootloader yourself to not get otas ?
You can upgrade to M easily providing your phone has not been tampered with , meaning , you are not rooted and have stock recovery .
If you have above and you can factory reset in settings , then , simply download M firmware from asus.
Put on external SD .
It should read something like this
UL-WW-4.21.40.134-user.zip
Or .144 or .184 or .223-user.zip .
When downloaded and inserted into phone , open Asus file manager and edit the file and save > eg.
UL-WW-4.21.40.134-user.zip.zip
Eg , put an extra .zip on the end of file , save , then reboot phone .

How to Downgrade Marshmallow to Lollipop?

I have an Asus ZenFone 2 Z00AD.... Can anyone help me with how to downgrade from Marshmallow to Lollipop...?
Sagen Hansda said:
I have an Asus ZenFone 2 Z00AD.... Can anyone help me with how to downgrade from Marshmallow to Lollipop...?
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You can get the downgrade package right from the asus website.
Sent from my ASUS_Z00AD using Tapatalk
Sagen Hansda said:
I have an Asus ZenFone 2 Z00AD.... Can anyone help me with how to downgrade from Marshmallow to Lollipop...?
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very first and most important thing. if you are rooted fully unroot it. if you have installed exposed uninstall that too. now factory reset your device first to avoid any kind of complication. after that you can download any latest LP firmware and sidload it via adb.

Best image for Asus Zenfone 2 Z00AD

Hi,
I'm Fabio.
I have an Asus Zenfone 2 Z00AD. On the LineageOS site, there are two image for similar models of Asus Zenfone 2: Z00A and Z00D.
Which is the best for the model of my smartphone?
Thank you
Fabio
Pick z00a. I have the same issue but when i tried z00a. It works like a charm.
khiya said:
Pick z00a. I have the same issue but when i tried z00a. It works like a charm.
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Thank you
argfa said:
Thank you
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your always welcome.
Thanks to help others also

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