read the data of boot_a (size = 0x6d00440)
 > from - 0x00000000da000040 (skip boot img hdr)
 > to   - 0x45000000 (starts with kernel img hdr)
This is LK-payload by xyz. Copyright 2019
Ported to Echo 2 by k4y0z. Copyright 2019
found lk_a at 0x00008000
found boot_aa at 0x00028000
found recovery at 0x00038000
found boot_a at 0x006D0000
Clean lk
amzn_verify_limited_unlock: Invalid unlock code
[8960] mtk detect key function key = 0
[8960] Key Uber:Released
[8960] mtk detect key function key = 0
[9000] fastboot_init()
amzn_verify_limited_unlock: Invalid unlock code
[9000] [USB] udc_start_cond
[9470] fastboot: processing commands: fastboot_mode=2
[9520] [I2C-LK] 334: id=0,addr: 3f, transfer error
[9520] [I2C-LK] 340: I2C_ACKERR
[9520] [I2C-LK] 790: Write 2 bytes fails,ret=-121.
ISSI_ESOL: could not reset registers
ISSI_ESOL: could not setup device!
[11870] handle_ept_complete: EP1/out FAIL status: ffffffff
[11870] fastboot: oops!