Samsung Galaxy A11 Motherboard Replacement

Removing or replacing the motherboard can cause permanent damage if not done properly.

Check for symptoms such as a non-turning on device, malfunctioning screen, frequent restarts, or minimal overheating.
If your device has these symptoms, proceed with this guide to safely remove the motherboard from your Samsung Galaxy A11.

For safety reasons, always follow the steps for removing and recycling a swollen battery in your device.

Use a iFixit opening pick to gently pry open the area near the SIM tray.

Use a hair dryer on low heat to gently warm the fingerprint sensor in 30-second increments.

Wait for each heating cycle to complete before continuing.
Pry the fingerprint sensor loose from the back cover using gentle pressure.
If stuck, detach the button by prying it from the bottom edge of the device.

Remove three 3mm screws from the shield with a Phillips #000 screwdriver.

Disconnect the battery press connector using a pair of tweezers, a spudger, or your bare fingers.

Do not use a hairdryer on expanded batteries.

Use a hairdryer on low heat to soften adhesive under the battery, if needed.
Insert an iFixit pry tool under the battery edge to loosen it.
Multiple iFixit pry tools may be required to hold the battery in place.
Continue cutting adhesive until the battery can be pried away from the phone.
Once freed, carefully lift and remove the battery from the phone.

Detach the ribbon cable from the fingerprint sensor using a spudger.

Remove the two 3mm silver screws at the top left of the device using a Phillips #000 screwdriver.

Use a spudger to disconnect the 2 ribbon cables connected to the battery slot from the motherboard.
Disconnect the 2 longer ribbon cables located near the bottom right corner of the motherboard.
Lift the cables up slightly to create a gap.

Use a spudger to pry up the motherboard at its corner.

When using a metal spudger, be gentle to avoid damaging components.