the charging system on the iPhone XR can be replaced. This is a relatively easy repair that can be done by a qualified technician.

The charging system on the iPhone XR consists of the following components:

• Lightning port: This is the port on the bottom of the phone that you use to connect the phone to a charger or computer.
• Charging port flex cable: This is the cable that connects the Lightning port to the logic board inside the phone.
• Charging coil: This is the coil that generates the magnetic field that allows the phone to charge wirelessly.
• Charging IC: This is the chip that controls the charging process.

If you are having problems with the charging system on your iPhone XR, there are a few things you can try:

• Check the Lightning port for debris or damage.
• Try using a different cable or charger.
• Reset the network settings on your phone.
• Restore your phone to factory settings.

If you have tried all of these things and your phone is still not charging properly, you may need to have the charging system replaced. This is a relatively easy repair that can be done by a qualified technician.

The cost of replacing the charging system on the iPhone XR will vary depending on the location and the technician. 

Here are some of the steps involved in replacing the charging system on the iPhone XR:

1. The phone is disassembled.
2. The Lightning port flex cable is disconnected from the logic board.
3. The old Lightning port is removed.
4. The new Lightning port is installed.
5. The phone is reassembled.

The entire process should take about an hour.

If you are considering having the charging system on your iPhone XR replaced, it is important to choose a qualified technician. A qualified technician will have the experience and the tools necessary to do the job properly.

Here are some of the places where you can get your iPhone XR charging system replaced:

• Apple Authorized Service Provider
• Independent repair shop
• Do-it-yourself (DIY) repair

If you choose to have your iPhone XR charging system replaced at an Apple Authorized Service Provider, you can be sure that the repair will be done using genuine Apple parts and that the technicians will be trained and certified by Apple. However, the cost of repair at an Apple Authorized Service Provider is likely to be higher than at an independent repair shop.

If you choose to have your iPhone XR charging system replaced at an independent repair shop, you may be able to get the repair done for a lower cost than at an Apple Authorized Service Provider. However, it is important to choose a reputable independent repair shop that uses genuine Apple parts and that has a good reputation for quality repairs.

If you choose to do-it-yourself (DIY) repair, you can save money on the cost of repair. However, it is important to have the right tools and the experience necessary to do the repair properly. If you are not comfortable doing the repair yourself, it is best to take your iPhone XR to a qualified technician.