Is "Apple 6s" a dual-card dual standby mobile phone?

No, Apple mobile phones, whether 3G, 3GS, 4, 4S, 5, 5S, 5C, 6, 6plus, 6S, 6Plus, 7, 7 plus, are standby cards, and the battery cannot be disassembled, which is a remarkable feature of Apple mobile phones.

Earlier this year, Apple applied for a patent for dual-card dual-standby mobile phone in China. There are two patents related to Apple and dual-card dual standby devices, namely, dual SIM card network selection function with patent number 2016166075 and dual-card device power consumption reduction technology with patent number 2016100813788. In August this year, the United States Patent and Trademark Office announced a patent submitted by Apple, the patent content is "Multiple SIM cards are used in devices".