how backup my stock bios? - Teclast X98 Air 3G

how backup my stock bios?
x98 3g c8j6
i can not with UEFI shell backup .

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nandroid restore after filesystem changes

If I have a nandroid backup of cm11 and then went to try out cm12.1 which requires a bigger system partition, would all my partitions get destroyed?
If so, how do I restore the nandroid backup? Would I have to copy it off to a computer, get a rom that boots, copy it back, then boot into recovery to restore?

TWRP Backup Restore-All Partitions

Hi, I have flashed latest stock with rootable kernel, DRM Restore & SU zip installed. Took backup all the partitons using TWRP 3.0 Recovery.
If I want to restore the backup, can I restore all partitions? or Only few like System, Data & Caches?

error while restoring backup

When i backup my rom it backup successfully but when i want to restore it the cwm recovery and twrp recovery shows successfully restore.but some file like downloadmanager and keybooard missing from rom.i need an help.....
Flash the rom again to restore system files (don't wipe data).

TWRP Backup question

HI,
I did a TWRP backup and then copied the file to my PC. After installation of a new ROM It seems this is not the way to copy a TWRP Backup to your PC.
Anyone know if I can reinstall from the files I copied from the phone?
Cheers
twrp backup is used to backup your current rom to restore when something went wrong. It backup the whole rom. It is not something you restore after flashing new rom.

NEED HELP urgent

how can i restore the erecovery partition in android O?
@Fr0nK @haky86 @dil3mm4.dev i'm struggling
EVEN IF IT'S possible to revert to the android 7 partition scheme.
SOLVED: RESTORED WITH dd if=/external_sd/ERECOVERY_VENDO.img (in update.zip of emui 8) of=/dev/block/mmcblk0p29 bs=1048576. THE ERECOVERY PARTITION WAS UNTOUCHED.

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