How to prevent iPhone 5 motherboard failures

It is easy to replace a iPhone 5 LCD screen assembly. It won’t be hard for a newbie to successfully replace the screen after watching a detail tutorial on youtube. However, problems not related to LCD screen may sometimes be a headache to technician, even experienced repair savvy. Here are some common issues we can summarise, which we should aware and prevent.

LCD screen assembly connector

When you remove the iPhone 5 LCD screen, you should pay extra attention to the tiny components next to the connector. if the small part is damaged, the LCD screen is not going to display anything. Meanwhile, a geomagnetic sensor at 2 o’clock director should be taken extreme care otherwise your device is not going to load the system and warning will be displayed on the screen.

Baseband Chip

Don’t crack the baseband chip when you remove the RF antenna connector to prevent mobile communication malfunctioning.

USB Control Chip

USB control chip need to be replaced if your iphone 5 device get charged too frequently or you dry joint the chip on CPU during the repair.

Wi-Fi issue related to Chip Short Circuit

Short circuit results when your iPhone 5 device drop into water.

Home Button Issue

It will be malfunctioned if the gold contact on home button are bad or the lightning port is damaged. Simply correct the gold contact or replace the lightning port.

Troubleshooting the Samsung Galaxy S3 Touch Screen Digitiser and Replacement Assembly

Installing Samsung Galaxy S3 touch screen digitiser is not easy and even though a repair savvy would be 100% guarantee they can install without issues. However, our customer service specialists have summarised a few solutions for common problems:

1. If you encounter white or black display, let’s try to perform a soft reset on your device. 
2. If soft reset dosen’t help, you can back to square one and plug the original to your main board again and see if it still works. If neither of your screen works, sorry that the problem may not be simply related the the screen. 
3. If you find blotches on your screen, that may be due to too much pressure on the screen during installation. Open your device again and make sure none of your internal components are causing the pressure.
4. If you find lines down your display or only part of touch functions work, sorry that you may break your screen again during the installation.

Can I replace the iPhone 5 or 6 home button assembly with new Touch ID sensor?

The answer is: “Impossible!!!”. Apple iPhone touch ID sensor is designed to be secure and uniquely paired with each logic board already. You are not able to extract the cipher from the senior. If you replace the sensor or damage it already, you will lose your Touch ID forever.

What should I do if vertical line appeared on my iPhone screen after the replacement is done?

Blue vertical lines or stripes may be encountered when you finish the screenreplacement installation. It is common but it is not due to a defective parts. The reason and solution may be summarised as below:

1. Bad Connection

First thing you have to do is to check whether there is any dust or debris in between the flex cables and the motherboard. Try to clear them with a brush or cloth dipped with alcohol. Reconnect the cables to the logic board and make sure it is properly connected with a “click” sound. Do not force the connector together until they are properly lined up. If the flex cable is damaged, i.e. it is bent over 90 degrees, I am sorry to tell you that you have to buy a newreplacement again.

2. Static Charge

Electro-static Discharge accounts for the vertical lines too. statics is produced by the human when you are conducting the installation. So, you can reduce any statics by wearing a anti-static bracelet and keeping an ion fan during the repair or if you don’t have the bracelet, you can wear a surgery glove and make sure you are touching the ground when you are performing the task.

3. If both 1 and 2 cannot solve your problem, then may be the IC on the display is damaged already. Check the top left and top right corners and see if there is any damage.

Myths behind Apple iPhone Screen Replacement Assembly Parts

Many technicians wonder whether the screens they are sourcing for repairing are genuine or not. Here are some insiders information in this market:

1. You are impossible to get a 100% new and original screen assembly as they should all goes to Apple. All those so called 100% genuine screens are detached from original iPhone. Detaching from iPhone means they are genuine but not 100% brand new.
2. LCD panels actually are supplied by LG/Sharp/Toshiba and they are authorised LCD manufacturer but they actually are not allow to sell iPhone LCD panel directly to wholesalers in the market because it is a violation to their agreement with Apple. Apple QC teams has a very strict QC standard on LCD quality and those QC failed batch will be rejected by Apple but the question is whether these manufacturers will indeed destroy them? Surely they won’t. They will still produce those assembly and sell to the China parallel trader in Shenzhen China.
3. If you are not professional person, it is difficult for you to distinguish genuine and OEM by colour display, brightness and contrast.
4. Those good quality screen replacement are produced with these LCD panes from LG/Sharp/Toshiba, however, the glass panel, bezel and digitisers  are not 100% genuine.
5. Genuine or not can be distinguished by checking whether there is a Apple logos on the the flex cables attached to the digitiser. However, due to China legislation, manufacturers will choose to scribble out the logos to prevent any lawsuit.
6. Also, flex cables from genuine screens are often softer and more flexible in order to make sure it will not break during the installation.
7. Usually, the OEM LCD glass has a special coating on its surface so that any water drops should be rolling off easily on the surface.

For more questions, you can contactwww.cellphoneage.com

Black Screen After iPhone 6 Screen Replacement

Somebody may encounter black screen after iPhone 6 screen get replaced even the phone is connected to power. Everything fine, phone vibrates when connected to iTunes. There may be 2 reasons:

1. You bought a poor quality iPhone 6 screen assembly. You should carefully choose the assembly from experienced supplier. Browse here.
2. Your replacement assembly does work but you have trouble on the backlight. Check if you still be able to see the logo with enough light by holding your phone under a lamp. If so, check the back light filters FL2025, FL2024 and FL2026 and replace it if you find any sign of damage. you can find them out around display connector near BS2503

If you want to source those components, you can live chat with our fanatical CS at www.cellphoneage.com

Can I replace Samsung Note 3 front glass myself?

Yes, you can as long as you have a set of special tools as well as professional skill. Otherwise, it is better, easier and safe to replace with the complete Samsung Note 3 screen assembly rather than just the glass because the front glass, screen digitiser and LCD screen are bind together tightly by strong adhesive.