Samsung Galaxy S6 - Manual (Page 138)

Appendix
138
Removing the battery (non-removable type)
• These instructions are only for your service provider or an authorised repair agent.
• Damage or faults caused by the unauthorised removal of the battery are not
covered by the warranty.
• To remove or replace the battery, contact your service provider or an authorised
repair agent.
1
Remove the SIM card tray from the device before starting battery removal.
2
Remove the back cover.
3
Loosen and remove the screws as shown in the image below.