The cost of replacing the back glass on an iPhone 13 Pro Max varies depending on where you get it done. Apple charges $99 for the repair, while third-party repair shops may charge less or more. Some factors that can affect the cost include the location of the repair shop, the type of back glass that is used, and whether or not the repair is covered by a warranty.

Here are some of the places where you can get your iPhone 13 Pro Max back glass replaced:

• Apple: Apple charges $99 for the repair, and you can get it done at an Apple Store or an authorized Apple repair provider.
• Third-party repair shops: There are many third-party repair shops that offer back glass replacement services. The cost of the repair will vary depending on the shop, but it is typically less than what Apple charges.
• Do it yourself: If you are comfortable with DIY repairs, you can also replace the back glass on your iPhone 13 Pro Max yourself. There are many tutorials available online that can show you how to do it.

Here are some of the things to keep in mind when getting your iPhone 13 Pro Max back glass replaced:

• Make sure that the repair shop is reputable.
• Ask about the warranty that is offered on the repair.
• Be sure to back up your data before the repair.