REWA Tech

Tag: samsung s7 edge

  • Fix Samsung S7 edge Won’t Turn on

    Fix Samsung S7 edge Won’t Turn on

    There are various reasons why your Samsung phone may not turn on. If your Samsung phone is not turning on and you notice a boot current of 50mA-80mA, you should start by checking the power supply voltage. If there are no issues with the voltage, then the problem is most likely related to the CPU.

    However, if there is an abnormal voltage reading, then you should check the corresponding faulty position on the board.

    In this particular case, the faulty component has been identified as the PMIC U7003. To resolve the issue of the Samsung S7 Edge not turning on, you can replace the PMIC with a new one. You can watch a video to learn how to troubleshoot the Samsung S7 Edge if it can’t turn on.

  • How to Fix Samsung S7 edge Wont Turn on

    How to Fix Samsung S7 edge Wont Turn on

    There are many causes for Samsung won’t turn on issue. As for Samsung not turning on accompanied with 50mA-80mA boot current, the first thing we usually do is to check the power supply voltage. If nothing goes wrong, the fault is most likely related to CPU. If there is abnormal voltage measured, then check the corresponding faulty position on the board. For our case today, the fault component is finally confirmed as PMIC U7003.To fix the S7 edge won’t turn on issue, we can replace it with a new PMIC. Let’s check the video to find out how to troubleshoot Samsung S7 edge can’t turn on. 

    Tools Used:

    • Pentalobe Screwdriver
    • 2.5mm Philip Screwdriver
    • 1.5mm Philip Screwdriver
    • Tri-wing Screwdriver
    • 4 in 1 Integrated Rework Station
    • PCB holder
    • Straight Tweezer
    • Paste Flux
    • Rosin
    • Solder Wick
    • PCB Cleaner
    • Digital Multimeter
    • Cutting Nipper
    • Anti-static Plastic Pry Bar
    • Soft Brush
    • Sculpture Knife
  • How To Repair Samsung S7 Edge Broken Screen Glass

    How To Repair Samsung S7 Edge Broken Screen Glass

    As we know, our phone’s screen is the most easily damaged parts, no matter how careful you are, your phone is bumped and squished and dropped. If you break your Samsung Galaxy S7 screen you’ll want to get it fixed. Here’s what you need to know about repairing or replacing the screen. Among popular smartphone screens, OLED is different from LCD, the well-known represent-ative OLED is Samsung SUPER AMOLED. It is with brilliant sharp colors, but it seems so fragile as you accidentally drop your phone on the ground,you will probably get a shattered screen.

    To fix this headache, it is very difficult even for repair stores. Refer to iFixit guide, Samsung Galaxy S7 edge Repairability Score is 3 out of 10 (10 is easiest to repair). Because the S7 edge phone and screen use tons of adhesive to attach the screen, glass lens and the frame, meaning when anyone breaks one of them all three need to be replaced. Replacing the glass only is a big challenge even for professionals.

    There are plenty of in-depth tutorials about changing your Galaxy S7 screen on YouTube. You should start with REWA’s video where they provide repairs the screen guide and Samsung phone repair parts . Today, REWA Lab is bringing the success to the curved OLED Glass only repair, aiming to make the repairing of cracked screen clear and easier for professional repairman. Below are the detailed instructions for Samsung Galaxy S7 edge screen repair. Replacing the S7 edge glass without destroying the display is impossible? In this video we give you the solution about how to refurbish & repair your cracked screen glass. Please contact us if you need refurbishing machines & materials or S7 edge screen third-party refurbishing service.

    Cracked Screen Testing

    Make sure the display and touch functions both work well on the glass-cracked screen.

    Frame Separating

    Firstly, we need to remove the screen from middle frame of the phone. Use Pry Piece, 530 cleaner and Heat Platform to separate the LCD and frame preliminarily, then separate it completely with Frame Separator.

    OLED Separating

    Samsung SuperAMOLED screen separating is different from iPhone screen repair, here we use Frozen Separator to disable the glue and a plastic Pry Piece to help.

    Put screen into Frozen Separator, freezing 30s, then separate the OLED from glass.

    Glue Removing

    With the help of 8333 remover and N-hexane, clean the glue residue on the OLED.

    OCA Laminating

    Use a Manual OCA Film Laminating Roller to laminate OCA sheet onto OLED.

    Bubble Removing

    Put it into Bubble Removing Machine for 15 minutes. Make sure the OCA is bubble free on OLED.

    Glass Laminating

    Align the front glass with OLED, then laminate the glass and OLED with help of Vacuum Glass Laminating Machine.

    Bubble Removing

    Put it into Bubble Removing Machine again for 15 minutes. Make it bubble free after glass laminated.

    Repaired Screen Testing

    Make a complete test on the repaired screen display performance, touch functions, all testings are good.