[Sony Xperia Z Ultra] malimt:
Fastboot mod:

- Plug USB cable to your computer (not plug to your phone)

- Turn off your phone

- When phone fully off, press Volume up button and plug USB to your phone

- You are now on fastboot mod, you can release volume up button

Isn't that the correct way? That's what i've learned from online before.

I also still need help with my post from before guys, Please... I need to figure out why it's giving me such errors.

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Could somebody please explain this a little better, I am new to this, so I don't have much knowledge.. Thank you..

Here's the error I get when trying to install (NUTS LockedDualRecovery) I hope someone can also help me figure this out... I really don't understand any of it.

============================================================================

==============================================
= =
= PhilZ Touch, CWM and TWRP Dual Recovery =
= Maintained by [NUT] =
= =
= For Many Sony Xperia Devices! =
= =
==============================================

1. Installation on ROM rooted with SuperSU
2. Installation on ROM rooted with SuperUser
3. Installation on unrooted ROM using the TowelRoot method
4. Install ADB drivers to windows
5. Exit

Please choose install action.
[1,2,3,4,5]?3
* daemon not running. starting it now on port 5037 *
* daemon started successfully *

=============================================
Waiting for Device, connect USB cable now...
=============================================
Device found!

=============================================
Getting ro.build.product
=============================================
Device model is C6802
Firmware is 14.4.A.0.108

=============================================
Step2 : Sending the recovery files.
=============================================
mkdir failed for /data/local/tmp/recovery, File exists
cannot stat 'dr.prop': No such file or directory
cannot stat 'chargemon.sh': No such file or directory
cannot stat 'mr.sh': No such file or directory
cannot stat 'dualrecovery.sh': No such file or directory
cannot stat 'NDRUtils.apk': No such file or directory
cannot stat 'rickiller.sh': No such file or directory
cannot stat 'disableric': No such file or directory
cannot stat 'busybox': No such file or directory
cannot stat 'recovery.twrp.cpio.lzma': No such file or directory
cannot stat 'recovery.philz.cpio.lzma': No such file or directory
cannot stat 'recovery.cwm.cpio.lzma': No such file or directory
cannot stat 'installrecovery.sh': No such file or directory

=============================================
Step3 : Setup of dual recovery.
=============================================
Unable to open /data/local/tmp/recovery/install.sh: No such file or directory
Unable to open /data/local/tmp/recovery/busybox: No such file or directory
=============================================
Attempting to get root access for installation using TowelRoot now.

NOTE: this only works on certain ROM/Kernel versions!

If it fails, please check the development thread (Post #2) on XDA for more detai
ls.

REMEMBER THIS:

XZDualRecovery does NOT install any superuser app!!

You can use one of the recoveries to root your device.
=============================================

=============================================
Sending files
=============================================
cannot stat 'easyroottool\zxz.sh': No such file or directory
cannot stat 'easyroottool\towelzxperia': No such file or directory
cannot stat 'easyroottool\libexploit.so': No such file or directory
cannot stat 'easyroottool\writekmem': No such file or directory
cannot stat 'easyroottool\findricaddr': No such file or directory
cp: /data/local/tmp/recovery/busybox: No such file or directory
Unable to open /data/local/tmp/busybox: No such file or directory
Unable to open /data/local/tmp/zxz.sh: No such file or directory
Unable to open /data/local/tmp/towelzxperia: No such file or directory
Unable to open /data/local/tmp/writekmem: No such file or directory
Unable to open /data/local/tmp/findricaddr: No such file or directory
Copying kernel module...
cannot stat 'easyroottool\wp_mod.ko': No such file or directory
cannot stat 'easyroottool\kernelmodule_patch.sh': No such file or directory
Unable to open /data/local/tmp/kernelmodule_patch.sh: No such file or directory
cannot stat 'easyroottool\modulecrcpatch': No such file or directory
Unable to open /data/local/tmp/modulecrcpatch: No such file or directory
/system/bin/sh: /data/local/tmp/kernelmodule_patch.sh: not found

=============================================
Installing using zxz0O0's towelzxperia
(using geohot's towelroot library)
=============================================
/system/bin/sh: /data/local/tmp/towelzxperia: not found
/system/bin/sh: /system/xbin/busybox: not found

=============================================
Installation finished. Enjoy the recoveries!
=============================================

Press any key to continue . . .

==================================================================================

Someone please consider helping! Thanks.