When the watch is accidentally dropped on the ground, or due to various bumps, the  back glass of the watch is broken. If it is only slightly scratched or cracked, it can still be used. But if the corners are broken or completely damaged, the back glass of the watch must be replaced. Because the glass is seriously damaged, it will lead to the unsealing of the watch, thus affecting the waterproof function. Today we will show you how to replace the back cover glass of iWatch S7.

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Step 1: Test before repairment

We need a simple test on the iWatch S7 before repairing it. It turns out although the back glass cover is damaged, the charging function is not affected in any way.

Step 2：Remove the screen

Now put the watch on the heating table for preheating. Add some alcohol to the edge of the screen and use a thin sheet to gently pry. Open the screen to heat the screen flex cable adhesive. Then lift the buckle with tweezers, pull out the display flex cable and remove the screen.

Step 3: Remove the broken back glass

Then unscrew the linear motor fixing screw and remove the motor. Next use pry tool and add some alcohol to remove the battery. Use a thin sheet to gash a circle around the back glass. Slowly remove the back glass and the frame, we can see the exquisite small motherboard of S7. 

Step 4: Replace with the new back glass

Then remove the parts above the broken back glass. Get out the back glass we need to replace and put the dismantled parts back on. There is a lot of broken glass on the charging module which needs to be cleaned up carefully. Then install the charging module on the new back glass, snap back the motherboard and clean up the borders. Apply special sealant on the edge in advance, reinstall the middle frame and screw on the fixing screws. Next, reinstall the linear motor and battery. Finally, apply sealant to the frame and install the screen back. 

After wiping off excess and spilled glue, the back glass cover replacement for iWatch S7 is completed. Now the watch looks like new.