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Old May 31st, 2013, 12:25 AM   #2 (permalink)
bibe74
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Join Date: May 2013
Location: Italy
Gender: Male
Posts: 2
 
Device(s): Sony Xperia Tablet Z SGP312, Samsung Galaxy S2 I9100
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alberto.turelli@gmail.com
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Problem solved, with an undocumented key combination (while pressing and holding _both_ VolumeUp and VolumeDown, press and hold Power button for 15-20 seconds, until the led flashes three consecutive times, then release all the buttons since the tablet is "shutting down".
Then, I could easily relock the bootloader and use SUS (Sony Update Service) to flash the latest available stock ROM.
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