1st flash told that


Ping attempt 1 (250 ms)
Server application: 1.7.2
Found product RM-696 rev. 1603
Server implements softupd protocol version 1.8
Warning: user data may reside on MMC. In that case the MMC is unnecessarily erased twice.
Charging battery, 10 % battery level (11 % required). Ctrl-c to exit
Battery level 11 %, continuing.
Erasing, this may take a while.
ERROR: SU_BEGIN_ERASE_REQ terminated with error code 1: Unknown error
Fetching error list:
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bb5_rdc_cert_read failed
bb5_rdc_cert_read failed
ioctl(BLKSECDISCARD) failed for /tmp/sudmmc2WMQf8/internal0: Input/output error
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ERROR: Failed to erase MMC using 'secure' method