I've bought about 5 v0.5 digitizers, only 1 worked normally but with "ghost touches". I had about 4 surface pro 3s to repair and all used v1.1 digitizers.
I've had no success with replacing the digitizers, although the cost that I paid for each LCD Digitizer combo had turned up to be close to the replacement cost microsoft charges! For most people you might be better off with paying microsoft because a dented case can make it troublesome to replace the LCD as well
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I suspect anything before v1 is basically preproduction, the people selling v0.5s had dug them out of a bin somewhere and started selling it for a buck.
I've bought about 5 v0.5 digitizers, only 1 worked normally but with "ghost touches". I had about 4 surface pro 3s to repair and all used v1.1 digitizers.
I've had no success with replacing the digitizers, although the cost that I paid for each LCD Digitizer combo had turned up to be close to the replacement cost microsoft charges! For most people you might be better off with paying microsoft because a dented case can make it troublesome to replace the LCD as well