Hi,
bad mistake happened.
I install the latest TWRP image to the boot partition 
So now I have only TWRP when I boot.
I there a way to fix that?
So I need the FairphoneOpenOS Bootloader in boot, not TWRP.
Assuming you have fastboot installed on your computer (or for Win/Mac you could use the version bundled with the install package):
- Download the manual install package for the version of the OS you’re using to your computer (match the version number to what you have installed - if its an older version, you can find the link here).
- Extract the install package.
- Find the path to boot partition image file in the extracted files (usualy
boot.imgunderimages. - Connect the phone to the computer with a USB data cable and start the phone in fastboot mode.
- On the computer run
fastboot flash boot [imagefile]in a terminal, where [imagefile] is the path to the image file you found in step 3. On linux systems you may need to usesudofor this step. - Reboot the phone.
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nope, no change.
only fairphone logo
also a whole restore from existing backups don´t work.
every time only fairphone logo…
Boot folder in twrp filemanager are empty.
That´s the third time that twrp backups doesn´t work. So new install and everything new.
I´m done with fairphone! 5years with a iPhone with no problems (also restore several times with encrypted iPhone) . 3 years fairphone with a lot off struggle.
ahhhhhh…
I’m very sorry to hear that you have so many problems and I can imagine that it’s VERY frustrating if you have to start - the third time - completely anew, even more when you had thought to have been prepared by doing a backup! 
On the other side - maybe when the first anger has gone - you might reconsider if that can really be caused by the type of the device itself… I’ve done lots of TWRP backups on a FP2 and also lots of OS installations. And I can assure you that they can work fine.
Maybe you do have some #fairphoneangels near you, which might help here?
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yeah first anger gone, but I´m really thinking go back to the “devils”.
For me it is not a toy or a nice gimmick. I need it for daily work. I lose all my two factor authentication (OTP). That´s not funny. Now I must spend a lot of time to reset that all.
And answers like: no Backup no mercy…that´s the wrong person you talk about that.
I make a phone Backup every month, safe this to my file server, safe the file server every week to a dedicated storage and safe every second week the store to LTO tape. So I thought I really safe.
But when the first position of this Backup chain failed (with success message)…what should I say.
Bad thinks can happen: bad updates, software bug, Trojaner or like my case, stupid user.
BUT when TWRP says to me: “Backup successfully completed” and the backup not working…
That´s my frustrating point. I did the whole professional Backup stuff (3 2 1 , father - son -…) but all for nothing.
I need for worst case a working backup from my whole cellphone, no manuel backup from every app. I have no time to wait for an faiphone angel, because I need the phone for daily work.
I think everything is said. This thread can by closed.
As I’ve already said I can understand your frustration and I can close the topic of you want.
But in case you might be still willing to try something out:
Did you try to restore your backup via the most current version of TWRP (3.2.3-0)? You might even start that version using fastboot without installing it. Just use the signed version at https://fp2.retsifp.de/signed-recovery/
You may try to wipe all your partitions (NOT Micro SDCard!) before trying to restore your backup.
You might even “format data”, but be aware that
/data/media resp. internal storage is not backed up using regular TWRP backup!
Then your phone should afaik not remain hanging in FP logo.
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is it a way to install fairphone official version so that you have a running system?
and after this to install twrp
and than to try to reinstall your backup?
Thank´s guys for your feedback. My phone is working now. Most of my data are in my cloud or Server, so a manual restore was possible.
Only the OTP stuff are not working at the moment.
I hope you understood that I wan´t do any experiments with backup and restore.
If this all happens a fourth time I will destroy the phone immediately 
For me faiphone was really exciting experiment as a open alternative to all the commercial cellphones. But for me it ends here.
I think three failed Backups, a broken Case and a damaged touchscreen (electric) after 1 year use and current permanent restarts when the cellphone are in my pocket are enough. All this in only 2,5 years use.
dont do that, i think you can sell it .-)
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