RAM is a super-fast type of memory that stores the apps you've opened since you turned on your phone.That memory lets you return to an app you've previously used and pick up right where you left off, without delay.Without RAM, apps would close thems...
voice over wifi doesn't need signal on your sim you just need wifi signal & you can do HD calling over wifi thats just awesome you can do it with airtel or jio sim you just need to enable wifi calling on your phone.#GalaxyTechfluencer
