Description : oppo a1k vs Symphony Z28?
Last Answer : Oppo A1k Specifications Network Technology / Frequency Bands GSM : 850/900/1800/1900 MHz LTE : 800/900/1800/2100/2600 MHz Battery Type Li - Po Capacity 4000 mAh Standby - Talktime - Built ... Slot Yes microSD/TransFlash Messaging SMS Yes MMS Yes Email Yes Software Operating System Android 9.0 Pie