[Xperia Play Q&A, Help & Troubleshooting] xT29c:
I have an new R800i, with an unlocked bootloader. I flashed dooMKernal onto it with "SonyEricsson Xperia Flasher by Bin4ry & Androxyde" and all seemed all. Then proceeded to install JokaWild ROM, again everything was fine. But when I toggle on/off the WiFi, and Airplane modes more than once the phone will freeze, and then reboot on it's own.

Thinking this was an issue with the ROM, I tried another one, Close2Perfection. Same thing… now I'm wondering if I messed anything up when I flashed dooMKernal.

Here's a quick look at what I did.

1.) rooted phone

2.) unlocked bootloader

3.) flashed doomkernal with SonyEricsson Xperia Flasher

4.) installed ROM's

Here's the log from that flashing session, if that helps at all.

30/056/2013 16:56:01 - INFO - <- This level is successfully initialized
30/056/2013 16:56:01 - INFO - Flashtool Version 0.9.8.0 built on 2012-10-01 19:35:32
30/056/2013 16:56:01 - INFO - You can drag and drop ftf files here to start flashing them
30/056/2013 16:56:06 - INFO - Device connected with USB debugging on
30/056/2013 16:56:07 - INFO - Connected device : R800
30/056/2013 16:56:07 - INFO - Installed version of busybox : N/A
30/056/2013 16:56:07 - INFO - Android version : 2.3.4 / kernel version : 2.6.32.9-perf / Build number : 4.0.2.A.0.58
30/056/2013 16:56:08 - INFO - Pushing C:\Flashtool\.\devices\R800\busybox\1.19.0\busybox to /data/local/tmp/busybox
30/056/2013 16:56:09 - INFO - Installing toolbox to device...
30/056/2013 16:56:09 - INFO - Pushing C:\Flashtool\custom\root\ftkit.tar to /data/local/tmp
30/056/2013 16:56:09 - INFO - Running installftkit as root thru sysrun
30/056/2013 16:56:09 - INFO - Root Access Allowed
30/056/2013 16:56:28 - INFO - Launching Fastboot Toolbox 1.0 by DooMLoRD
30/056/2013 16:56:28 - INFO - Device Status: ADB mode
30/056/2013 16:56:52 - ERROR - This action can only be done in fastboot mode
30/056/2013 16:56:57 - INFO - Please wait device is rebooting into fastboot mode (via ADB)
30/056/2013 16:56:59 - INFO - Device will soon enter fastboot mode
30/056/2013 16:56:59 - INFO - Device disconnected
30/057/2013 16:57:21 - INFO - Device connected in fastboot mode
30/057/2013 16:57:24 - ERROR - This action can only be done in fastboot mode
30/009/2013 17:09:10 - INFO - Selected kernel (boot.img or kernel.sin): C:\Flashtool\boot.img
30/009/2013 17:09:10 - INFO - Flashing selected kernel
30/009/2013 17:09:12 - INFO - sending 'boot' (8334 KB)...
30/009/2013 17:09:12 - INFO - (bootloader) USB download speed was 9186kB/s
30/009/2013 17:09:12 - INFO - OKAY [ 0.938s]
30/009/2013 17:09:12 - INFO - writing 'boot'...
30/009/2013 17:09:12 - INFO - (bootloader) Download buffer format: boot IMG
30/009/2013 17:09:12 - INFO - (bootloader) Flash of partition 'boot' requested
30/009/2013 17:09:12 - INFO - (bootloader) S1 partID 0x00000003, block 0x00000280-0x000002e3
30/009/2013 17:09:12 - INFO - (bootloader) Erase operation complete, 0 bad blocks encountered
30/009/2013 17:09:12 - INFO - (bootloader) Flashing...
30/009/2013 17:09:12 - INFO - (bootloader) Flash operation complete
30/009/2013 17:09:12 - INFO - OKAY [ 1.612s]
30/009/2013 17:09:12 - INFO - finished. total time: 2.550s
30/009/2013 17:09:12 - INFO - FASTBOOT Output:
sending 'boot' (8334 KB)...
(bootloader) USB download speed was 9186kB/s
OKAY [ 0.938s]
writing 'boot'...
(bootloader) Download buffer format: boot IMG
(bootloader) Flash of partition 'boot' requested
(bootloader) S1 partID 0x00000003, block 0x00000280-0x000002e3
(bootloader) Erase operation complete, 0 bad blocks encountered
(bootloader) Flashing...
(bootloader) Flash operation complete
OKAY [ 1.612s]
finished. total time: 2.550s

30/009/2013 17:09:12 - INFO - Please check the log before rebooting into system
30/009/2013 17:09:20 - ERROR - no kernel (boot.img or kernel.sin) selected!
30/009/2013 17:09:34 - INFO - Device disconnected
30/037/2013 17:37:20 - INFO - Device connected with USB debugging off
30/037/2013 17:37:20 - INFO - For 2011 devices line, be sure you are not in MTP mode
30/037/2013 17:37:22 - INFO - Device connected with USB debugging on
30/037/2013 17:37:23 - INFO - Connected device : R800
30/037/2013 17:37:23 - INFO - Installed version of busybox : BusyBox v1.18.4 (2011-04-04 18:40:20 CDT) multi-call binary.
30/037/2013 17:37:23 - INFO - Android version : 2.3.4 / kernel version : 2.6.32.9-DooMKernel / Build number : 4.0.2.A.0.69
30/037/2013 17:37:23 - INFO - Installing toolbox to device...
30/037/2013 17:37:23 - INFO - Pushing C:\Flashtool\custom\root\ftkit.tar to /data/local/tmp
30/037/2013 17:37:23 - INFO - Running installftkit as root thru sysrun
30/037/2013 17:37:24 - INFO - Root Access Allowed
30/038/2013 17:38:36 - INFO - Device disconnected
30/019/2013 21:19:39 - INFO - Device disconnected