If display white and lcd is orignal this mean lcd connection are missing in this case one or more points are missing on mother board .SOME TIME SET IS WATER DAMEGD IN THIS CASE CLEAN AND NORMAL HEAT WITH HOT AIR.HERE YOU ASK ABOUT SOFTWARE PROBLEM,NOW THIS SOLUTION.CHECK SOFTWARE DEVICE CONNECTION POINTS ON PCB IF POINTS ARE ALL OK AND SHOW POLARITY ON CHECK METTER THEN REHOT THE FLASHER IC.CHANGE YOUR DATA CABLE WHO YOU USE TO CONNECT WITH CELL PHONE FROM PC TO DEVICE.OR UP GRADE SOFTWARE OF YOUR SOFTWARE BOX .SOME TIME SET IS OK ALL IS OK BUT USB CABLE DRIVER IS NOT IN YOUR COMPUTER OR LAPTOP.CHECK HARDWARE MANAGER IF USB CABLE IS MARKED WITH QOISTION THEN INSTAL USB DRIVER.
IF THESE ARE HELP FULL FOR YOU PLEASE LIKE AND GIVE ME SUPPORT.FOR FURTHER INFORMATION VISIT THIS BLOG PHONETOLLS.BLOGSPOT.COM
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