If the battery is short-lived, swollen, or the device turns off intermittently, it must be replaced. Changing the battery can be done when these symptoms happens to our Samsung M21.

️ Become an EXPERT https://movilone.eu
Battery Here https://s.click.aliexpress.com/e/_A8Hj2P

As we can know if the Samsung M21's battery is to be changed, in some phones it is very easy just looking at the life of the battery. If the battery life is below 80% then it needs to be changed.
If you enjoyed the video or if it helped you out in your own repair then a Like and Subscribe is always appreciated
Thanks for watching