Update faild - OnePlus 2 Q&A, Help & Troubleshooting

I try to do a update from system update, its stop on the process and show my msg failed!
What should I doing?

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Can't update my phone.

Hello!
When I try to update my phone to 1.37.405.1 (I recently restored my phone to the original ROM using a nandroid backup)
I get an error message. The download goes fine and then it reboots and it begins to install the update. But half way through I get a message that says "Installation aborted". It also says "E: failed to verify whole-file signature" and "E: signature verification failed.
Anyone know what's wrong?
The phone is the root with unrevoked.
Sincerely,
Kaangaaas
Look here http://forum.xda-developers.com/showthread.php?t=865690
Thanks, worked just fine

System software update problem (Peep client)

Hy!
I got an automatic update massage about a new peep client. I tried to install it but after rebooting there is an error message:
Verifying update package
....
E: No signature (9files)
E: Verification failed.
Installation aborted.
What causes this problem?
Thx

[Q] ROM update issues

ive encountered an error while trying to update my rooted motorola defy from 2.2.2 to jellybean.
i was using the update.zip method and got as far as installing it on the recovery mode before this happened
"Finding update package ...
Opening update package ...
Verifiyng update package ...
E:failed to verify whole-file signature
E:signature verification failed
Installation aborted."
any ideas?
-b.

Can't go into recovery mode.

When I try to boot to recovery mode, I get right to an installing update page, and then gets an error that there was an error in the update with only an option to reboot the system.
My P9 lite is unrooted and is curerntly on 7.0.
The error says:
"Software install failed!
The update package does not exist. Please download the package again."

error Flashing

Yesterday i downgraded android 10 beta to android 8 .1.0 (_WW__ZB631KL_15.2016.1810.158_20181120) but MY wifi not turning on so i decided to update again to andoid 9 and download (WW-16.2017.2002.073) but it getting problems to update. via installing through sd card getting error operation aborted , after that i pasted that zip file in internal and updating its say system update failed (3) unknown error , amd with asus flash tool also dosent work nothing happens after resume, and with adb showing my device first but after giving flash command its says no devices, how can i update now ? please help.

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