ALP-L29 error write firmware

[logros]

LOG from phoenix:
Looking for a device in upgrade mode
No devices detected in upgrade mode
Device found: QMU7N18130000430


14.10.2019 17:54:02 Starting to write device in FASTBOOT mode...

Looking for a device in fastboot mode
Device found: QMU7N18130000430


Getting IMEI...
Getting build number...
Getting model ...
Getting battery state...
Getting backdoor info...
Getting lock state info...
Getting lock boot info...

SN:QMU7N18130000430
IMEI:866214035522689
IMEI1:866214035527183
MEID:A0000084AAD057
Build number: :ALP-LGRP2-OVS 9.0.0.228
Model: ALP-L29
Battery state: 0
OEM lock state info:
FB LockState: UNLOCKED
USER LockState: UNLOCKED
OEM get bootinfo:
unlocked

Device with unsupported security patch

Process identifier:19514629


Erasing ver .. .

Extracting partition XLOADER...
Writing XLOADER partition
XLOADER partition UPDATE :FAIL download elf_xloader image verification error

Device with unsupported security patch
14.10.2019 17:54:15 Writing device finished - INCOMPLETE


what i must to do to flash firmware?
Please help

[Valdemaras]

Can flash it only from recovery menu and only with same version android.

[logros]

i have alp-L29 but firmware build for ALP-LGRP2, that why i have stuck on boot os.
how i can write firmware for alp-l29 but not for alp-lgrp2?

[Valdemaras]

You can't.