an empty channel.ini file is certainly not right. You can copy the one from the other device you have. It should look something like
adb shell system-image-cli -i current build number: 25 device name: krillin channel: ubuntu-touch/stable/bq-aquaris.en last update: 2015-09-09 09:13:11 version version: 25 version ubuntu: 20150825.1 version device: 20150821-736d127 version custom: 20150821-887-33-32-vivid If you want to be sure you actually have all of r25 ota6 you could do this after restoring the channel.ini file sudo system-image-cli -b 0 This will reinstallll the entire image but not remove any data -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1495207 Title: BQ E4.5 (r24): after fine update to r25 system is reported as r-1 and as "never" updated To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1495207/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
