Request root TP450 10E

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Request root TP450 10E

Checking data...OK
Platform: LG Qualcomm
Selected port: COM21
Selected model: TP450
Reading info...
Model ID: LG-TP450
IMEI: 357016********
3

Android version: 7.0
Battery level: 77%
SW Version: TP45010e
Mode: Normal
Firmware compiled date: Jul 27 2017
Firmware compiled time: 05:00:00
Firmware released date: Dec 8 2017
Firmware released time: 09:55:34
SW Version: MPSS.TA.2.3.c4-00026-8940_GEN_PACK-1
IMEI: 357016********
SPC: 000000

need to root this device to unlock it

tried to flash twrp after unlocking the bootloader and was okay but not okay
any idea anout rooting this device?