This battery is only compatible with Samsung Galaxy A02S SM-A025F/DS, the battery is brand new, all have been tested before shipping
The instruments are not instructions, you can use the tutorial videos on YouTube and install it by yourself or a technician to help.
A Li-ion battery achieves the best performance after 2-3 cycles.
If you have any questions with our product, please send us a message, show that you can have your problems as quickly as we do, thank you for your patience.
If you need professional installation technology, we are not liable for damage caused by improper operation.