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The app perfectly compatible with iOS 12
Support multi language
This is a Bluetooth cases, connecting to your mobile phone with dedicated App,
it enables single SIM card mobile phone to be Dual SIM, for a phone call and SMS operations.
It surpport a phone call and SMS operations.
Network data service does not support.
1.Make i Phone dual SIM dual standby，2SIM working at the same time.
2.Extra battery for i Phone
3.Cases for i Phone
4.Only need charge the adapter cases ,then you can charge your i Phone at the same time.
Battery: 4.7 inches is 1500mAh
5.5 inches is 2300mAh
SIM type: Micro SIM
Network standard: GSM
Network band: GSM850MHz / EGSM900MHz / DCS1800MHz / PCS1900MHz
Support iOS:iOS7.1-12, We will continue to update
Jailbreak: No need jailbreak
Language: Support multi language
1 x Bluetooth SIM adapter
1 x English manual
1 x Nice gift
2：Install "SIMplus" or "iKos" app ,and connect i Phone by bluetooth