[Q] Rooting with C6906 with 4.4

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magwart

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Dec 20, 2013
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Hello,

I have a Bell Canada Xperia Z1 C6906 (Locked Bootloader) on 14.3.A.0.757 that is unrooted and I would like some help/advice about rooting it with the least amount of distress since while I need the features provided by rooting I cannot afford to brick my phone. So any help would be very much appreciated.

I have looked through the information and I will provide what I know below - is it correct, is there more I need to do?

  1. Install Flashtool and all drivers.
  2. Backup my TA partition for future reference/restoration.
  3. Download FTF firmware that is version .534 - I found C6906 14.1.G.1.534 Rogers CA (which should be compatible even though its Rogers and I have Bell?) and flash it via flashtool.
  4. Root the Xperia Z1 with 360Root.
  5. Download the NUT's latest locked dual recovery
    Z1-lockeddualrecovery2.7.123-BETA.installer.zip (10.22MB)     and follow the instructions from [DEVDB][TWRP][PhilZ Touch][CWM] XZDualRecovery 2.7.1XX RC
  6. Download C6906_14.2.A.0.290.flashable.zip and C6906_14.2.A.0.290_Stripped.ftf, place *flashable.zip on the SDCard and *Stripped.ftf in the Flashtool/firmware folder.
  7. Create a full backup of my phone through TWRP
  8. Wipe Dalivik-Cache, System, Data, Cache.
  9. Flash " C6906_14.2.A.0.290.flashable.zip", power off. In Flashtool flash everything (check mark System, data etc ?) for "C6906_14.2.A.0.290_Stripped.ftf". Reboot and on language select reboot into TWRP and restore DATA backup. Wipe Dalivik-Cache and reboot.
  10. Update to the newest version of Android - download C6906_14.3.A.0.757.flashable.zip and C6906_14.3.A.0.757_Stripped.ftf from [STOCK][C69XX][4.4] Update to 14.3.A.0.757 [Root & XZDR][DE-/ODEX] by NUT. Place *flashable.zip on the SDCard and *Stripped.ftf in the Flashtool/firmware folder.
  11. Repeat step 7-9.
  12. Should have a rooted newest version of the Xperia Z1?

Did I miss anything or make it too complex? It seems like a lot of steps just to have a rooted and up to date phone.
 
funky0308

funky0308

Inactive Recognized Themer
Aug 27, 2012
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Don't use 290 version, use 534.
There's a lot bricked device reported when guys flashed 290 over 757 and version before 757 (can't remember number of that version).

Also, if you don't plan to unlock bootloader there's no need to backup TA, it's OK to do that but it's not necessary.
You can't lose DRM keys as long as you don't unlock it.

And yeah...use binary root method (just Google "binary root method xda" and pick first result.
360 and Kingo are banned from XDA because they read and store your IMEI (and that's totally unnecessary)
Sent from my D6503 using Tapatalk
 
Last edited:
M

magwart

Member
Dec 20, 2013
19
0
funky0308 said:
Don't use 290 version, use 534.
There's a lot bricked device reported when guys flashed 290 over 757 and version before 757 (can't remember number of that version).

Also, if you don't plan to unlock bootloader there's no need to backup TA, it's OK to do that but it's not necessary.
You can't lose DRM keys as long as you don't unlock it.

And yeah...use binary root method (just Google "binary root method xda" and pick first result.
360 and Kingo are banned from XDA because they read and store your IMEI (and that's totally unnecessary)
Sent from my D6503 using Tapatalk
Click to expand...
Click to collapse

So I should just stay with .534 and not upgrade at all? I was hoping for an up-to-date version since some of the features in 4.4 are really useful to me.
 
funky0308

funky0308

Inactive Recognized Themer
Aug 27, 2012
7,029
5,681
Osijek
magwart said:
So I should just stay with .534 and not upgrade at all? I was hoping for an up-to-date version since some of the features in 4.4 are really useful to me.
Click to expand...
Click to collapse

Hehe....no
Just use 534 to downgrade and root and install recovery.
Then flash NUT 757 prerooted ROM from recovery and flash stripped ftf (kernel) using flashtool.

Only thing what I wanna said is - flash 534 and root it don't use 290 - downgrading from 757 to 290 could brick your device...

Sent from my D6503 using Tapatalk
 
M

magwart

Member
Dec 20, 2013
19
0
Ok!

So downgrade to .534, do binary root, install DualRecovery and then just flash .757.

Also I keep seeing you need to reflash DualRecovery, would I do so after flashing .757?
 
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