回答“Is it possible to use an older iMac as a monitor for a MacBook Pro?”Yes it is possible, and very easy. All you need is a thunderbolt cable. Depending on your MacBook model, you may need a thunderbolt adapter (ie. thunderbolt 2 to thunderbolt 3). Step 1: login on both iMac and MacBook. Step 2: connect all cables(and adapters if necessary) Step 3: on iMac, press [Command + F2] All done!
回答“My phone freezes and cannot be responsive!”Many issues like this can be resolved with a battery swap. If the battery is not providing enough energy to the motherboard, it can cause it to slow, freeze, or even in some cases, completely shut off.