Before buying any phone you need to test him from inside but how ? just you need this app
"android system info" and "memory info & mobile info" it's so simple and easy to use to get your device info.
I'am sure you will find all the information you need for your phone android.
You'll have all information like: system info , cpu system and android hardware info , battery info , memory info and swap check , sim card info and device informations.
also you well get -gps & imei info -network wifi info.
system info for android :
.cell id hardware info display
.network cell info
.information apps
9Apps 4.9
