An old or broken battery will drain quickly. The repair guide here will help you to replace the broken Xperia Z3 battery easily.
Replacement Parts for Sony Xperia Z3 : https://witrigs.com/d9ihg
OEM Battery for Sony Xperia Z3 : https://zegsu.com/s/di9ld
What you should do:
Step 1 Free the back cover (secured by adhesive sticker)
Step 2 Remove the battery
Tips:
1. For avoid damaging the inner cables, do not put the guitar pick into the phone over 3mm.
2. Putting the old back cover back, you need a new back cover adhesive sticker.
Step 1 Free the back cover (secured by adhesive sticker)
Step 2 Remove the battery
Tips:
1. For avoid damaging the inner cables, do not put the guitar pick into the phone over 3mm.
2. Putting the old back cover back, you need a new back cover adhesive sticker.
Tool:
1. Heat gun or hair dryer - https://zegsu.com/s/dj44c
2. Suction cup - https://zegsu.com/s/dj2cm
3. Two guitar picks - https://zegsu.com/s/dj43z
1. Heat gun or hair dryer - https://zegsu.com/s/dj44c
2. Suction cup - https://zegsu.com/s/dj2cm
3. Two guitar picks - https://zegsu.com/s/dj43z
4. Spudger - https://zegsu.com/s/dj437