LG D802 on ICS boot looping since last night if auto SYNC is enabled

I have been happily using my phone on stock 4.4.2 EUR for last 8 months. This morning I woke up to find my phone constantly rebooting as soon as I enter the SIM pin and it lock on to a cellular signal. After a lot of trial and error, I have found that if I immediately switch to airplane mode before entering SIM pin and then switch off auto-sync the phone, and then turn my mobile signal and data back on (by turning off airplane mode) the phone is fine.

As soon as I turn on auto-sync it goes into loop mode again. For the time being I am keeping sync off, but has anyone else experienced this suddenly?

Makes me think it is connected with some automatic update that Google sent to my phone overnight for their Play services or such.

Note 4 looping on first start up screen

Hoping for some advice how to get Sprint Note 4 running again. The phone has never been rooted. Up until a couple of weeks ago most of the OTA updates had been received and applied no problem. A couple of weeks ago my wife pulled it out of her bag and showed me it was on the update screen and had been for a couple of hours eventually the batter went dead. We took out the dead battery charged it and tried to restart. It goes to the Samsung Galaxy Note 4 white on black screen vibrates twice then the screen goes black and it repeats the same thing over and over.
Now i'm not sure how to proceed. I'm familiar with Odin and rooting my own phones but leave my wifes stock normally.

First i tried reset in recovery - When i boot to recovery after a few seconds the android robot lies on its back with a red triangle over it. At the top of the recovery screen it says Android system recovery - LRX22C.N910PVPU3BOF5. I tried wipe data/factory reset and wipe cache partion and rebooting but makes no difference.

I thought install official firmware manually
I put the phone in download mode it displays
current binary: samsung official
system status: official
reactivation lock: off
knox warranty void: 0x0
I downloaded a stock firmware N910PVPU3BOF5_N910PSPT3BOF5_N910PVPU3BOF5_HOME.tar .md5
installed Odin3 v3.10.6.exe
installed F/W this using Odin.
Odin finishes normally, box turns green and PASS! but the phone just restarts and does the boot looping thing.

I don't know what to do next - suggestions? Thanks

Help Urgent: Phone keep looping on start up screen after official update

HI
As title said, I accepted the official update from HTC and now my phone won't start.
All I know is I have S-ON and I don't want to do factory wipe.
I did try wipe cache partition multiple times.

here is the info from download mode:
*** LOCKED***
htc_himaulatt PVT S-on

LK-1.0.0.0000
RADIO-01.01_U11440221_62.05.503205G_F
OpenDSP-v20.2.6-00452-M8994_0216
OS-1.32.661.31
APR 1 2014,21:58:13 (506785)

Thank you very much

Xperia U is looping at Xperia logo and nothing more

OK so my xperia U is looping at the sony logo.

Is there any way to relive the phone ?
Any way to do it without to wype the data in the phone ?

Thanks in advance.