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Root Can I reflash CWM recovery via OTG cable with USB stick?

Amazon62

Lurker
Hi,

My first (desperate) post, so hi everyone!

I have a problem:
After installing a custom rom on my HTC One (m7) it only boots into the CWM recovery. I read about reflashing the recovery by the newest one could help, but I cannot connect the phone to my pc (even with the newest HTC drivers). So flashing via the cmd is not possible for me.

But I do have an OTG cable with USB, which I can connect to my phone. But how can I flash a '.img' from it? Is it even possible? I really searched the internet for a solution, but none found.

Some help is much appreciated...

Thanks.
 
The problem is that you have a bad ROM flash. If you made a backup with CWM before flashing the ROM then just restore that and the phone is working again.

If you don't have a backup, then you just need to copy a ROM that is compatible with CWM onto your flash drive then you can flash that from OTG.

Both of those approaches can be used without changing recovery. If you really do need to change recovery then you need to get fastboot working - CWM cannot flash an image. Have you tried downloading HTC's fastboot binaries? If you are using Windows I think that this is where you can get them.
 
Hi, thank you very much for your quick reply! I installed Maximus 7.. I'm trying to install another one now...
As stupid as I was, I did not make a back-up.

No, I did not try the fastboot binaries.. Do I replace the one in the SDK folder by this one?

Thanks
 
I'd be inclined to install the HTC ones in a different location, then try those. I don't use Windows myself, so don't know the details of how these are installed on that platform (on Mac or Linux they are just stand-alone binaries, but nothing ever seems that simple on Windows ;)).
 
Ah, OK, that explains it.

The latest version of TWRP can actually flash a TWRP image, but that's no help to you. There is also a TWRP app that might let you install the recovery, but you need the phone booting before you can try that (but might be an option if e.g. you have to revert to your earlier ROM). But it's really useful to get fastboot working, so I'd try that anyway first.

(This is Team Win's own page on installation, if it helps).
 
Hi!

Nice, I downloaded another ROM (HD) and the phone works again! Lets see how this will work out. I'll install TWRP for sure. Thanks for the help!

Cheers!
 
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