[Moto G5S Plus Questions & Answers] fjnieva:
In the end I was able to make it turn on by pressing the power button and volume down with two elastic bands.

But the error "your device didn't start up successfully use the software repair assistant on computer" returned, which I still haven't been able to solve.

Motorola's Rescue and Smart Assistant program fails.

Manually running fastboot gives me the following error

...

FAILED (remote failure)

finished. total time: -0.000s

target reported max download size of 534773760 bytes

sending 'partition' (45 KB)...

OKAY [ 0.016s]

writing 'partition'...

(bootloader) Validating 'gpt.default.xml'

(bootloader) Committing 'gpt.default.xml'

(bootloader) - flashing 'gpt_main0.bin' to 'partition:0'

(bootloader) Flashing primary GPT image...

(bootloader) Failed to write primary GPT.

(bootloader) Failed to program partition table

FAILED (remote failure)

finished. total time: 0.141s

target reported max download size of 534773760 bytes

sending 'bootloader' (5115 KB)...

OKAY [ 0.125s]

writing 'bootloader'...

(bootloader) Validating 'bootloader.default.xml'

(bootloader) Committing 'bootloader.default.xml'

(bootloader) - flashing 'emmc_appsboot.mbn' to 'aboot'

(bootloader) Failed to erase partition

(bootloader) Failed to flash partition aboot

FAILED (remote failure)

finished. total time: 0.375s

target reported max download size of 534773760 bytes

sending 'modem' (71953 KB)...

OKAY [ 1.578s]

writing 'modem'...

(bootloader) Failed to erase partition

FAILED (remote failure)

finished. total time: 1.625s

target reported max download size of 534773760 bytes

sending 'fsg' (3024 KB)...

OKAY [ 0.078s]

writing 'fsg'...

(bootloader) Failed to erase partition

(bootloader) Failed to flash partition fsg

FAILED (remote failure)

finished. total time: 0.125s

target reported max download size of 534773760 bytes

sending 'dsp' (16384 KB)...

OKAY [ 0.359s]

writing 'dsp'...

(bootloader) Failed to erase partition

(bootloader) Failed to flash partition dsp

FAILED (remote failure)

finished. total time: 0.391s

target reported max download size of 534773760 bytes

sending 'logo' (2192 KB)...

OKAY [ 0.063s]

writing 'logo'...

(bootloader) Failed to erase partition

(bootloader) Failed to flash partition logo

FAILED (remote failure)

finished. total time: 0.109s

target reported max download size of 534773760 bytes

sending 'boot' (16384 KB)...

OKAY [ 0.375s]

writing 'boot'...

(bootloader) Image boot failed validation

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 0.603s

target reported max download size of 534773760 bytes

sending 'recovery' (20580 KB)...

OKAY [ 0.469s]

writing 'recovery'...

(bootloader) Image recovery failed validation

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 0.719s

target reported max download size of 534773760 bytes

sending 'system' (262140 KB)...

OKAY [ 5.687s]

writing 'system'...

(bootloader) Image s failed validation

(bootloader) Invalid signed image

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 5.765s

target reported max download size of 534773760 bytes

sending 'system' (249863 KB)...

OKAY [ 5.422s]

writing 'system'...

(bootloader) Invalid signed image

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 5.437s

target reported max download size of 534773760 bytes

sending 'system' (261779 KB)...

OKAY [ 5.768s]

writing 'system'...

(bootloader) Invalid signed image

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 5.830s

target reported max download size of 534773760 bytes

sending 'system' (262140 KB)...

OKAY [ 5.719s]

writing 'system'...

(bootloader) Invalid signed image

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 5.765s

target reported max download size of 534773760 bytes

sending 'system' (262142 KB)...

OKAY [ 5.752s]

writing 'system'...

(bootloader) Invalid signed image

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 5.781s

target reported max download size of 534773760 bytes

sending 'system' (262141 KB)...

OKAY [ 5.695s]

writing 'system'...

(bootloader) Invalid signed image

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 5.742s

target reported max download size of 534773760 bytes

sending 'system' (233033 KB)...

OKAY [ 5.145s]

writing 'system'...

(bootloader) Invalid signed image

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 5.179s

target reported max download size of 534773760 bytes

sending 'system' (262143 KB)...

OKAY [ 5.715s]

writing 'system'...

(bootloader) Invalid signed image

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 5.762s

target reported max download size of 534773760 bytes

sending 'system' (254053 KB)...

OKAY [ 5.543s]

writing 'system'...

(bootloader) Invalid signed image

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 5.574s

target reported max download size of 534773760 bytes

sending 'system' (259525 KB)...

OKAY [ 5.656s]

writing 'system'...

(bootloader) Invalid signed image

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 5.703s

target reported max download size of 534773760 bytes

sending 'system' (65436 KB)...

OKAY [ 1.437s]

writing 'system'...

(bootloader) Invalid signed image

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 1.469s

target reported max download size of 534773760 bytes

sending 'oem' (135426 KB)...

OKAY [ 2.955s]

writing 'oem'...

(bootloader) Image o failed validation

(bootloader) Invalid signed image

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 3.044s

erasing 'modemst1'...

(bootloader) Failed to erase partition

FAILED (remote failure)

finished. total time: 0.029s

erasing 'modemst2'...

(bootloader) Failed to erase partition

FAILED (remote failure)

finished. total time: 0.031s

erasing 'cache'...

(bootloader) Failed to erase partition

FAILED (remote failure)

finished. total time: 0.022s

erasing 'userdata'...

(bootloader) Failed to erase partition

FAILED (remote failure)

finished. total time: 0.026s

erasing 'DDR'...

(bootloader) Failed to erase partition

FAILED (remote failure)

finished. total time: 0.055s

target reported max download size of 534773760 bytes

sending 'fsg' (3024 KB)...

OKAY [ 0.086s]

writing 'fsg'...

(bootloader) Failed to erase partition

(bootloader) Failed to flash partition fsg

FAILED (remote failure)

finished. total time: 0.112s

...

FAILED (remote failure)

finished. total time: 0.108s

-------------------------------------------------------------------------

please scroll up and check your flash for any errors

-------------------------------------------------------------------------

Ya no se que puedo hacer, alguna solucion?