ALE-L21 flash error

hello octoplus team
i have p8 lite come to me with hang on logo problem, i try with fastboot mode but not completed.... with board software also not accepted finally i try with last octoplus huawei too to update OEMINFO operation took long time and gave error


2019-03-14 17:18:11.639 2019-03-14 17:18:11 GMT -------------------------------------------------
2019-03-14 17:18:11.659 Starting Update OEMINFO
2019-03-14 17:18:11.823 Connecting to phone..
2019-03-14 17:18:11.845 Phone connect successfully
2019-03-14 17:18:11.855 Updating bootloader...
2019-03-14 17:18:11.864 Writing XLOADER partition..
2019-03-14 17:30:13.582 XLOADER partition has been written successfully
2019-03-14 17:30:13.592 Writing FASTBOOT partition..
2019-03-15 01:02:00.220 FASTBOOT partition has been written successfully
2019-03-15 01:02:00.390 Bootloader Update successfully
2019-03-15 01:02:00.420 Searching connected Fastboot devices...
2019-03-15 01:02:16.213 Fastboot devices not found
2019-03-15 01:02:16.263
2019-03-15 01:02:16.273 Update OEMINFO failed.
2019-03-15 01:02:16.293 Performed by 1.0.8 Software version.