[Sony Cross-Device General] AussieCable:
Success with attempt 8

Running 5.0.2 on D6503 and removed 2.8.3 as requested with XZDR-removaltool, rebooted into system, ran the 2.8.3a8 installer and success, all working, NDR works without any protest with all recoveries, and have system rw.

Here are the logs (not like I would think you would need them, but here they are anyways, they maybe useful).

==============================================
= =
= 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]?1
* 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 D6503
Firmware is 23.1.A.0.690

=============================================
Step2 : Sending the recovery files.
=============================================
1 KB/s (30 bytes in 0.027s)
2131 KB/s (17459 bytes in 0.008s)
163 KB/s (501 bytes in 0.003s)
1935 KB/s (11893 bytes in 0.006s)
5045 KB/s (56834 bytes in 0.011s)
752 KB/s (3082 bytes in 0.004s)
4906 KB/s (30148 bytes in 0.006s)
662 KB/s (1357 bytes in 0.002s)
2589 KB/s (34473 bytes in 0.013s)
531 KB/s (1089 bytes in 0.002s)
2212 KB/s (13592 bytes in 0.005s)
375 KB/s (385 bytes in 0.001s)
4747 KB/s (719520 bytes in 0.148s)
6092 KB/s (3419179 bytes in 0.548s)
5172 KB/s (2420470 bytes in 0.457s)
6565 KB/s (1936360 bytes in 0.288s)
3680 KB/s (11305 bytes in 0.003s)

=============================================
Step3 : Setup of dual recovery.
=============================================
Look at your device and grant supersu access!
Press any key to continue AFTER granting root access.
-rwxr-xr-x 1 shell shell 719520 Apr 10 16:20 /data/local/tmp/recover
y/busybox
Press any key to continue . . .

##########################################################
#
# Installing XZDR version 2.8.6 RELEASE
#
#####

Temporarily disabling the RIC service, remount rootfs and /system writable to al
low installation.
mount: permission denied (are you root?)
Remount of system failed, applying MohammadAG's wp_mod module solution now.
The wp_mod module does not exist, installing it now.
Module installed succesfully.
grep: /storage/sdcard1/XZDualRecovery/XZDR.prop: No such file or directory
grep: /storage/sdcard1/XZDualRecovery/XZDR.prop: No such file or directory
The byeselinux module does not yet exist, installing it now.
Removing the byeselinux patch module, restoring the original.
Module installed succesfully.
Copy recovery files to system.
Rename stock mr
Copy mr wrapper script to system.
Rename stock chargemon
Copy chargemon script to system.
Copy dualrecovery.sh to system.
Copy rickiller.sh to system.
Installing NDRUtils to system.
Copy disableric to system.
Creating /system/.XZDualRecovery to store a backup copy of busybox and the init.
rc files.
Copy busybox to system.
Copy init's *.rc files in to /system/.XZDualRecovery.
Trying to find and update the gpio-keys event node.
Found and will be using /dev/input/event2!
Trying to find and update the power key event node.
Found and will be monitoring /dev/input/event1!
Speeding up backups.
Make sure firstboot goes to recovery.

=============================================
DEVICE WILL NOW TRY A DATA SAFE REBOOT!
=============================================

=============================================
Your installation has already cleaned up after
itself if you see the install.bat/install.sh exit.
=============================================

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

Press any key to continue . . .

Attached are the other log files.

Thanks NUT for your continued support, very much appreciated, will donate again on Monday.