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Can an HTC One M8 smart phone be rooted without Data Loss?

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(@sdcoker)
Posts: 14
Eminent Member
Topic starter
 

Seeing if anyone has ever successfully rooted an HTC One M8 cell phone or any HTC smart phone for that matter without wiping the personal data. Obviously I cannot get any deleted SMS from just running a logical extraction with Cellebrite, Paraben, or Modileedit.

 
Posted : 26/11/2018 3:50 pm
(@arcaine2)
Posts: 235
Estimable Member
 

xTC2Clip is able to switch device to S-OFF mode without wiping data. Once phone is s-off you can flash or boot custom recovery like TWRP and create full dump or root the device.

 
Posted : 26/11/2018 5:20 pm
(@sdcoker)
Posts: 14
Eminent Member
Topic starter
 

Thank you. I'll try that.

 
Posted : 26/11/2018 5:37 pm
(@sncorporation26)
Posts: 2
New Member
 

xTC2Clip is able to switch device to S-OFF mode without wiping data. Once phone is s-off you can flash or boot custom recovery like TWRP and create full dump or root the device.

Hey, i want to ask this method unlocks the bootloader without data loss or we just bypass the bootloader and can directly install twrp or any custom rom?

 
Posted : 28/11/2018 2:50 pm
(@arcaine2)
Posts: 235
Estimable Member
 

xTC2Clip emulates a special microSD card that can be used to disable security, write different CID, IMEI etc. You can switch the phone into S-OFF mode and this allows you to flash custom stuff with bootloader still locked.
I'm not sure about unlocking bootloader, as this is not really needed for repairs if you're able to do S-OFF and change CID to non-branded one etc. I'd have to check but S-OFF is essentially everything you should need for HTC.
Then, this really depends on model and from my experience some let you boot TWRP directly from fastboot, some let you flash TWRP using fastboot and some require to prepare a RUU-like .zip file with TWRP as recovery and write it in RUU mode. M8, with S-OFF should either boot TWRP or be able to accept the file directly in fastboot.

 
Posted : 28/11/2018 8:16 pm
(@mshibo)
Posts: 34
Eminent Member
 

xTC2Clip emulates a special microSD card that can be used to disable security, write different CID, IMEI etc. You can switch the phone into S-OFF mode and this allows you to flash custom stuff with bootloader still locked.
I'm not sure about unlocking bootloader, as this is not really needed for repairs if you're able to do S-OFF and change CID to non-branded one etc. I'd have to check but S-OFF is essentially everything you should need for HTC.
Then, this really depends on model and from my experience some let you boot TWRP directly from fastboot, some let you flash TWRP using fastboot and some require to prepare a RUU-like .zip file with TWRP as recovery and write it in RUU mode. M8, with S-OFF should either boot TWRP or be able to accept the file directly in fastboot.

As long as BL is locked, it's not going to let you flash any custom files through fastboot however, flashing TWRP as zip file through RUU mode will be accepted as long as security flag is set to OFF.

 
Posted : 28/11/2018 9:52 pm
(@sncorporation26)
Posts: 2
New Member
 

xTC2Clip emulates a special microSD card that can be used to disable security, write different CID, IMEI etc. You can switch the phone into S-OFF mode and this allows you to flash custom stuff with bootloader still locked.
I'm not sure about unlocking bootloader, as this is not really needed for repairs if you're able to do S-OFF and change CID to non-branded one etc. I'd have to check but S-OFF is essentially everything you should need for HTC.
Then, this really depends on model and from my experience some let you boot TWRP directly from fastboot, some let you flash TWRP using fastboot and some require to prepare a RUU-like .zip file with TWRP as recovery and write it in RUU mode. M8, with S-OFF should either boot TWRP or be able to accept the file directly in fastboot.

As long as BL is locked, it's not going to let you flash any custom files through fastboot however, flashing TWRP as zip file through RUU mode will be accepted as long as security flag is set to OFF.

That means if i set the flag off (s-off) using xTC2clip then i can install twrp as zip in RUU mode without unlocking the bootloader?
Anf one thing more that in ruu mode its not going to reset my device?
Thanks for your guidance.

 
Posted : 29/11/2018 6:58 am
(@mshibo)
Posts: 34
Eminent Member
 

xTC2Clip emulates a special microSD card that can be used to disable security, write different CID, IMEI etc. You can switch the phone into S-OFF mode and this allows you to flash custom stuff with bootloader still locked.
I'm not sure about unlocking bootloader, as this is not really needed for repairs if you're able to do S-OFF and change CID to non-branded one etc. I'd have to check but S-OFF is essentially everything you should need for HTC.
Then, this really depends on model and from my experience some let you boot TWRP directly from fastboot, some let you flash TWRP using fastboot and some require to prepare a RUU-like .zip file with TWRP as recovery and write it in RUU mode. M8, with S-OFF should either boot TWRP or be able to accept the file directly in fastboot.

As long as BL is locked, it's not going to let you flash any custom files through fastboot however, flashing TWRP as zip file through RUU mode will be accepted as long as security flag is set to OFF.

That means if i set the flag off (s-off) using xTC2clip then i can install twrp as zip in RUU mode without unlocking the bootloader?
Anf one thing more that in ruu mode its not going to reset my device?
Thanks for your guidance.

That means if i set the flag off (s-off) using xTC2clip then i can install twrp as zip in RUU mode without unlocking the bootloader?
Yes, no need to unlock bootloader as long as you use RUU mode to flash custom binary files (Recovery, Kernal… etc).

And one thing more that in ruu mode its not going to reset my device?
No, using RUU mode it won't flash any other partitions except for the ones included inside the zip and in our case, it'll be only a custom recovery and it won't trigger userdata or cache reset.

 
Posted : 02/12/2018 12:44 pm
(@arcaine2)
Posts: 235
Estimable Member
 

As long as BL is locked, it's not going to let you flash any custom files through fastboot however, flashing TWRP as zip file through RUU mode will be accepted as long as security flag is set to OFF.

This depends on the phone or is bugged on some. I believe it worked fine on M7 or M8 but then i had to create a RUU compatible .zip with TWRP for Desire 820.

 
Posted : 02/12/2018 5:09 pm
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