Repairs usually take 1 hour, depending on the type of damage.
Water damage can often be repaired, but it depends on the extent. Acting fast improves your repair chances.
Yes, the battery can be replaced if it’s draining too fast or not holding a charge.
First, check your charging port and cable. If everything seems fine and it still won’t charge, you should bring it in for a port repair or a new battery.
Yes, the back glass can be repaired, but it’s a delicate process, so it’s best to have it done by professionals to avoid further damage.