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[Q] Create backup images and back-to-stock zip?

25th January 2014, 01:43 PM   |  #1  
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Hi,

I want to create a back-to-stock zip that I can flash in CWM recovery that makes my phone 100% stock again. I haven't done this before.

The phone is a ZTE T81 which is an Australian version of the ZTE Avid, so there are no back-to-stock images on the internet. It's Android 4.04, 100% stock not rooted. At the moment there is nothing on the phone worth keeping (no SMS, photos, contacts etc), I have only got through the initial setup, haven't even added a SIM or my Google account.

From what I have read I think I need to create a boot, system and recovery images. I tried "adb pull /" but it only did half a job so I guess I need to root and create the images with dd. In the mounts below there is a system partition but no obvious boot or recovery partitions. So...

1) What would the boot and recovery partitions be under?
2) Do I need to image any other partitions?
3) Once I create the 3 images, how do I make the CWM back-to-stock zip?

Code:
1|shell@android:/ $ mount
mount
rootfs / rootfs ro,relatime 0 0
tmpfs /dev tmpfs rw,nosuid,relatime,mode=755 0 0
devpts /dev/pts devpts rw,relatime,mode=600 0 0
proc /proc proc rw,relatime 0 0
sysfs /sys sysfs rw,relatime 0 0
none /acct cgroup rw,relatime,cpuacct 0 0
tmpfs /mnt/asec tmpfs rw,relatime,mode=755,gid=1000 0 0
tmpfs /mnt/obb tmpfs rw,relatime,mode=755,gid=1000 0 0
none /dev/cpuctl cgroup rw,relatime,cpu 0 0
/dev/block/platform/msm_sdcc.1/by-name/system /system ext4 ro,relatime,user_xattr,barrier=1,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/userdata /data ext4 rw,nosuid,nodev,relatime,user_xattr,barrier=1,data=ordered,noauto_da_alloc 0 0
/dev/block/platform/msm_sdcc.1/by-name/persist /persist ext4 rw,nosuid,nodev,relatime,user_xattr,barrier=1,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/cache /cache ext4 rw,nosuid,nodev,relatime,user_xattr,barrier=1,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/tombstones /tombstones ext4 rw,nosuid,nodev,relatime,user_xattr,barrier=1,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/modem /firmware vfat ro,relatime,fmask=0000,dmask=0000,allow_utime=0022,codepage=cp437,iocharset=iso8859-1,shortname=lower,errors=remount-ro 0 0
/dev/fuse /mnt/sdcard fuse rw,nosuid,nodev,relatime,user_id=1023,group_id=1023,default_permissions,allow_other 0 0
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