LG H815L dead after FRP reset

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LG H815L dead after FRP reset

The phone hang on LG logo after reset frp and on support fonund only v10f and the phone has v20j so can't downgrade,where to find flash file to repair my phone????

-----------------------------------------------------------------
Checking data...OK
Platform: LG Qualcomm
Selected port: COM427
Selected model: H815L
Please, put the phone into download mode manually (Power phone OFF
(reconnect battery), press and hold "Vol+" button and connect the cable
(or P999 cable)).
Reading info...
Model ID: LG-H815L
IMEI: 352583-07-116744-8
Android version: 6.0
Battery level: 93%
SW Version: H81520j
Mode: Emergency
Initializing flash...OK
SW version: LGH815LAT-00-V20j-425-01-SEP-28-2016+0
Android version: 6.0
LAF Version: 1.1
Product ID: HD60S151124000362
IMEI: 352583-07-116744-8
Target operator: GLOBAL
Hardware: rev_10
Reading partitions...OK
Detecting writing method...OK
Resetting FRP Lock...
Resetting FRP lock successfully completed!
Performed by 2.8.8 Software version.

XTC 2 Tool 1.35 released | U11 Android 8, U11 Life Android 7 and Android 8 + more

Dear friends,

Introducing XTC2Tool version 1.35:

1. Support for IMEI1 repair, IMEI2 repair, CID change, SIM unlock, downgrade for U11 Android 8.x
2. Support for IMEI1 repair, IMEI2 repair, CID change, SIM unlock, downgrade for U11 Life Android 7.x and 8.x
3. PowerAdapter functions improvements and speed up
4. Added connection authorization detected
5. Added special handling for more than one device connected sitation
6. Added do not report connection status in main log window
7. Improved RUU mode detection/switching for flashing process
8. Interface improvements
9. Multiple bug fixes and enhancements

More info:

http://forum.gsmhosting.com/vbb/f961...-more-2451755/

Thank you for your time,
XTC 2 Team