I backed up my Nexus 9 and then did a CyanogenMod update, which then lead to me not being able to use WiFi. So I went back to TWRP and restored my backup which was 5GB. It consisted of my apps and games nothing major – but once I rebooted I had no apps or Gapps was like a did a hard reset. So I went and restored a even older backup which I call my baseline backup which is consists of a fresh CM13 and Gapps install, so I had to start over none the less and redownload everything.

Any ideas what went bad? I'm kinda scared to rely on TWRP backup now or to even update CM.

  • From what I've found with TWRP, it does not backup any apps but the ones in /system (system apps).
    – Qiangong2
    Jul 21, 2016 at 23:00
  • @Qiangong2 TWRP doesn't backup apps, but partitions. So if the backup covers /system and /data, it covers all apps (system apps as well as user apps). By default, these two partitions are included in a TWRP backup – and you have the option to include others, de-select one of the two, or make your own selection at all.
    – Izzy
    Jul 22, 2016 at 7:17
  • I backed up System and Data
    – user1871
    Jul 22, 2016 at 13:03
  • @user1871 Did you check whether you had enough space, before starting the backup?
    – Grimoire
    Jul 22, 2016 at 17:47
  • yes i had 20 free gb
    – user1871
    Jul 22, 2016 at 18:57


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