rustedchip

Here is a Picture of your Phone Internals, It has a black cable on the right side, that is your cellular antenna, you can replace it easy that cable. I have been dealing with new techs, and in that situation you have to options, order a new one or use one from another phone and adapt it. Another case can be a damaged connection from the motherboard, and it is tha same case, you can solder a new one or you can adapt one. https://d3nevzfk7ii3be.cloudfront.net/ig...

You can see here how thick it is, and where is the battery located. Desmontaje de Samsung Galaxy A51

"When I turn on the camera application, a black screen appears when using the rear camera when it is set to 1x zoom, when I switch to 2x, the image appears but is blurred." The short answer for you is that Camera and Flash Hardware work together if one has a problem the another one will fail. The blurred problem on 2x is because your phone has two cameras one has dust or is bad. I’m pretty sure that changing your rear camera will fix all your issues. People with the same Problem: Rear Camera & Flashlight Not Working Why is my rear camera and flashlight not working after screen replace Rear camera and flashlight not working after replacing battery

iPhone 8 Series & iPhone X, you have to read the old serial number from the old screen and transfer it to the new one with a special programmer (about $500 for programmer on ) to fix the issue with true tone, I never tested on iPhone 11 series but is think it will be the same thing, at soon I have news I will post it here.

It is possible, is a micro-soldering job and programming job (on new ones), and to be honest is cheaper changing the complete motherboard, unless you are planning to do it yourself.

Phone has to be checked for a real Professional that has the equipment to test any Chip on you Motherboard, any good place with real Professional will charge you from $100 and up if they have to do a micro-soldering job. Quick Facts: Crazy Percentage on Battery and randomly lost of Power means a Bad Battery. Charging IC is far away from back light Drivers, can be, but can be liquid Damage Too.

One camera affects the entire camera system, is your flash is not working I’m a 80% that your rear camera is the problem.

Well in common language you need to Replace the Screen it’s all, But The Digitizer/Touch, OLED and Front Glass comes everything together on a slim sandwich. Useless Info: You can remove single layers from the screen if you have a company with $100,000.00 on Screen Repair machines, because is possible to do that, in your case your OLED is damaged (is the more expensive part), so is trash.

Those phones have a Signature Failure, if you understand some basic electronic you can watch this YouTube Video. https://www.youtube.com/watch?v=2T9BVR-oUDM Make sure that your Phone has IMEI Number on Settings and on Phone App Dialing *#06#, make sure that your phone has moden firmware version, and make sure that your phone is reading the simcard on General --> About -> ICCID No services with Warning Sign Changed it to new housing and now NO SERVICE Can be a Disconnected Antenna or a Micro-Soldering Job.

Every case is different, technician needs to check the device and clean, fix or replace damaged components. The best tip is take a desicion quickly you don't want to discharge the battery inside of your phone with liquid , an easily cleaning can be turned on expensive microsoldering repair.