If you need to replace the battery or do some other repair on your iPhone, you're going to need to know which model it is. First, you'll need to know the model number of the iPhone. Just look on the back in the area in the image below for the model number. Then refer to the table underneath the image below for the model name.
| Model | Model Number | Year Introduced | Upgrades available |
|---|---|---|---|
| iPhone 7+ | A1661, A1784, A1785, A1786 | 2016 | Upgrade Now |
| iPhone 7 | A1778, A1779, A1780 | 2016 | Upgrade Now |
| iPhone 6s+ | A1634, A1687, A1690, A1699 | 2015 | Upgrade Now |
| iPhone 6s | A1633, A1688, A1691, A1700 | 2015 | Upgrade Now |
| iPhone 6+ | A1522, A1524, A1593 | 2014 | Upgrade Now |
| iPhone 5s (Asia Pacific Model) | A1530 | 2013 | Upgrade Now |
| iPhone 5c (Asia Pacific Model) | A1529 | 2013 | Upgrade Now |
| iPhone 5 (GSM Model) | A1428 | 2012 | Upgrade Now |
| iPhone 5 (GSM & CDMA Model) | A1429 | 2012 | Upgrade Now |
| iPhone 5 (CDMA China) | A1442 | 2012 | Upgrade Now |
| iPhone 4S | A1387 | 2011 | Upgrade Now |
| iPhone 4S (GSM China) | A1431 | 2011 | Upgrade Now |
| iPhone 4 (CDMA model) | A1349 | 2011 | Upgrade Now |
| iPhone 4 (GSM model) | A1332 | 2010 | Upgrade Now |
| iPhone 3GS (China) | A1325 | 2009 | Upgrade Now |
| iPhone 3GS | A1303 | 2009 | Upgrade Now |
| iPhone 3G (China) | A1324 | 2009 | |
| iPhone 3G | A1241 | 2008 | |
| iPhone 2G (original) | A1203 | 2007 |