You may have probably heard by now that Apple uses two different modem chips in iPhone X. It depends on the carrier and the market.
If you’re curious to find out if your iPhone X model has the faster Qualcomm modem or Intel model, then read on.
What are the different iPhone X models?
iPhone X A1865 model: Apple uses the Qualcomm MDM9655 Snapdragon X16 LTE modem in the A1865 model for CDMA carriers (Verizon, Sprint) in the US, Australia, China, Hong Kong, New Zealand.
iPhone X A1902 model: Apple also uses the Qualcomm MDM9655 Snapdragon X16 LTE modem in the A1902 model for Japan
iPhone X A1901 model: iPhone X Apple uses the Intel XMM 7480 modem in the A1901 model for GSM carriers (AT&T, T-Mobile) in the US, Canada, Europe, Singapore, South Korea, Malaysia, Phillippines, United Arab Emirates, South Africa, Argentina, Russia, and Mexico.
How to Find iPhone X Model Number?
Method 1: Run Settings app--Navigate to General--About--Scroll down and tap on Model.
Method 2: How to View the Device Model ?
Source: iphonehacks