How to merge internal and external storage on j2 prime when it is restricted by manufacturer

[kelvinalvinyap]

How to merge internal and external storage on j2 prime when it is restricted by manufacturer

 

[helpstar]

Is it the dual SIM model?

Usually it´s not restricted by the manufacturer. You will have to to something like this:
Backup all data from your SD card, (via USB to PC) or it will be deleted.

This "how to" is almost identical in all versions of Android with slight deviations:
https/www.youtube.com/watch?v=MDv_UUEl_l4

This might help as well:
http/www.tomsguide.com/forum/id-3193148/make-card-int...

 

[ra9544199]

I want to free up my space but it cant