The Dual SIM iPhone – 12 Pro Max – A2412 (How it Works)



Dual SIM iPhones are not exactly a common thing and 2 physical SIM iPhones are even rarer. Here is a video of my A2142 which is the Dual SIM iPhone 12 Pro Max for the China/Hong Kong region. I have explained how the Dual-SIM iPhone works and how you use it for your daily activities.

A2412 Model Supported Bands
GSM/EDGE (850, 900, 1800, 1900 MHz)
UMTS/HSPA+/DC-HSDPA (850, 900, 1700/2100, 1900, 2100 MHz)
CDMA EV-DO Rev. A (800, 1900 MHz)
FDD-LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19,…

21 thoughts on “The Dual SIM iPhone – 12 Pro Max – A2412 (How it Works)

  1. Everything you need to know about the Dual-SIM iPhone 12 Pro Max. If you have any questions, please let me know in the comment section. Always happy to help.

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  2. What is your battery drop during the night with active 2 SIMs ? I had a terrible experiences when using SIM+eSIM on my iPhone 12. During the night on idle 40% drop, no activity on background. When I disabled 1 SIM, I had no issues.

  3. hello is there any problem of face time audio and wifi calling on it ? Because i hear the iphone 12 pro max A2412 is not working these features ?can you enlighten me please ?

  4. Bro, Can you show me how to call a contact from your phone book. When you click a name from your phone book do you have the option to choose which network you want before calling? also once you've chosen a network for that particular contact. Does it save that choice and defaults to that network the next time you call?

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