M2 4gb

[theal]

you can have 4gb card but if you will have on it more than 3gb phone can be lagged sometimes

[senter]

you can have 4gb card but if you will have on it more than 3gb phone can be lagged sometimes

I try more than 3 GB - work fine without lag.
Video player start 7 sec. with 2693 MB videos ( my old 1 GB - 5 sec. with 400 - 500 MB videos).
Now picture saving is faster with date and time for 7 sec., before with my old 1 GB - 10 sec. ( with date and time ).