1-use Andriodtool v 2.51 or higher
2-you have to have a working loader (you can unpack any working rom using andriodtool by going to _Advanced Function_ and from here download a working firmware and unpack it by pressing unpack. Note, you can find the (loader) in (output folder created by Andriodtool).
3-using Andriodtool, go to download tab and from there you can see (loader)(parameter) etc. jst focus on loader and upload that loader and put mark so that it can be flashed to your device.
4-let Andriodtool reconized your device as Maskrom device.
5-Finally, before hitting (Run), make sure you use tweezers or anything to to short circuit (GND and CLK inside the board) and hit run.
6-The device will flash the loader into the board and you can now download a working rom for your device easily and get rid of IDB failure.
Note, If the above steps do not work with you, you can try :
1- press the recovery button on the device and (hold it)
2- Open Andriodtool 2.51 and upload a working firmware and hit (erase flash while holding the recovery button).
3-If you do not succeed with andriodtool, you can use factory tool ( 1.6, 1.63, or any version)
4- I hope this second method will work.
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