4000mAh Large Battery: With an above average 4000mAh battery, the phone will last longer than you expect. Battery Specifications: 4000mAh lithium battery (included). Network Frequency Band: GSM 850 900 1800 1900 MHz, 3G: WCDMA 850 1900 2100 MHz, 4G: B1.B2.B4.B5.B7.B8.B20.B28A.B28B B40.
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