Both still going strong
Bought a7 for 21k 4g version 3gb ram 32rom snapdragon 662 quad speakers 7040 mah battery
A9 plus last year april
5g at 25k 8gb ram 128gb rom snapdragon 695 quad speakers 7040 mah
Software
A7
Android 12
Last year june patch
A9 plus
Android 15
This year may patch
Will get android 16 too
