Update of 4th August (devel)
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@mrt10001 @Keneda @Luksus
Here is the latest update on the situation, basically bad news.
Today, my son who is a very experienced software development engineer arrived with his windows laptop to try to fix my problem.
First he tried the official Lenovo recovery tool. He downloaded the 2GB software indicated for my device and made several attempts to connect via the usb cable. In spite of carefully following instructions, it was impossible to connect.Next he tried the qpst tool suggested by Kenney. We assumed the tablet might still be in EDL (emergency download) mode. Again failure.
In both cases, he suspected there might have been a usb port incompatibility with his laptop (usb3 instead of usb2?).
I can't tell if the battery is charged. If I plug it into the charger, the little red led blinks, but never turns green, even after 12 hours.
No idea what to try next.
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@dtarrant have you held the power button for about 40 seconds so the device is off. Then hold volume up and down together then press the power button till you feel it vibrate. When it does, release the power button but keep the volume up and down pressed in. If it boots up, release them. If it doesn't, you may have to split the device and disconnect the battery.
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@ dtarrant
Did not read all the above. So I don't now if this can help.After the last update I did this to make it boot:
Unplug the USB-cable so it stops charging.
Press POWER until vibration and "Lenovo" shows.
Then immediately plug in the USB-cable.HTH
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@dtarrant @MrT10001
Further update: Turned out my son's laptop has usb3 ports so no good. Later he resurrected an old windows laptop with usb2 ports and spent a long time updating all the software. Then, more bad news: he discovered it was a 32bit machine and the Lenovo recovery s/w requires 64bit. Now the good news: he discussed the issue with his son (my eldest grandson) who revealed he has a 64bit windows computer with usb2 ports. Furthermore, he has experience of de-bricking phones and knows about adb etc! Can't wait for him to get started!
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@MrT10001
Just got back to my bricked tab problem and re-visited your post. You mention the possible need to split the case. Here's some information I found you may be interested in: The tablet uses a Snapdragon processor by Qualcomm. If you need to trigger EDL mode, you don't need to open the case. There's an easier way. Buy an EDL Deep Flash Cable, which has a button to trigger EDL mode. They are available on ebay quite cheaply. Best regards. -
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