Volte calling 4G Kaios phone OEM

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{"cid":"55698","pid":"14810556","pimg_url":"\/\/img1.b2bforus.com\/43\/43\/f1a24e010c10\/product\/38551609_s-w400xh400.jpg","name":"Dual SIM Card Dual SIM Card T15 Inch Mobile Callong Kaios Phone 2.8 Opened 4G Inch Screen Keypad Whatsapp Feature Wifi Hotspot Lte Smart Inclusive Phone","attrs":{"Price":"$28.50(5000 - 9999 Pieces) $28.00(10000 - 49999 Pieces) $27.00(>=50000 Pieces)","MOQ":"5000 Pieces","Delivery Time":"Negotiable","Brand":"oem\/odm, Spreadtrum, oem&odm feature phone"}}