How to repair display
How to repair adisplay
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@reshmarafiq Power-on the phone and check the power-on sound or motor Vibration. Sound or Vibration is ok? If the answer is yes, replace the display assembly.
Since iFixit does not yet have a guide for this, use the one from here It shows how to repair the display with the midframe. That is the one you want to purchase on the many of the on;line stores. It makes the job a lot easier and is only marginal more expensive. Make sure that you purchase the display for your version of the A30 since there are different ones depending on your geographic area.
If the power-on sound or the vibration do not work when you turn it on,you will have to check the video circuitry on your PCB’s according to this flow-sheet
Here is the board view Samsung A30 Boardview. Use the search function of the PDF reader you are using, to find the components etc.
While you work on your phone, take lots of pictures. Once you are done with it, take those pictures and create a guide for iFixit. That will help the next person that has the same problem as you do. It's easy and fun to create these guides. https://ifixit.com/Guide/new The iFixit community will appreciate this.
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@reshmarafiq what is wrong with it? Did it break? Did you drop it? Is it water damaged? You need to give us more information if you want to fix this properly.
by oldturkey03
How to repair display and screen protecter and battery change and back cover
by Sayed Hasnain
@sayedhasnain okay let's start from the beginning. What make an model is your phone? Why do you have to change all of those parts.? What happened to your phone?
by oldturkey03