Blackview BV4800 Rugged Smartphone Unlocked : 6(3+3)GB+64GB CPU :MediaTek Helio A22, Quad-core, 4*A53 2.0GHz OS :- Doke OS 3.1 based on Android 13 GO Screen : 6.56-inch, 60Hz Refresh Rate, 720*1612 Resolution ; CORNING·GORILLA GLASS 5 RAM:6GB (3GB+ Up to 3GB Virtual Expansion Memory)ROM:64GB+ Supports SD expandable storage up to 1TB (TF Card not included)Rear camera :13MP Front camera :5MP Battery :5180mAh, 10W Charge SIM :Three Card slot,Dual SIM card & 1 * TF card Navigation support :GPS, Glonass, Beidou, Galileo Wi-Fi version & spec : IEEE802.11 a/b/g/n/ac Bluetooth version & spec: Bluetooth 5.0 Weight: 285g Other features :OTG, FM, Google play, Face unlock,Dual 4G LTE,Smart-K Box Speaker, Night Mode,HDR Mode,Beauty Mode,Night Mode,Panorama Mode, Reverse Charging, NFC Network: 4G LTE: FDD:B2/B3/B4/B5/B7/B12/B13/B17/B26/B66 3G:B2/B4/B5 2G:B2/B3/B5/B8Support Carriers:Vodafone, Telstra, Optus Q&A Question: Is there an actual 6GB of the phone? Answer: Yes. Blackview BV4800 system comes with 3GB of memory, and an additional 3GB of virtual memory can be added on the settings page. In actual use, you can use up to 6GB of running memory.RAM Expansion Path——Through mobile phone settings – about mobile phone – running memory, select the specific space to be expanded, and need to restart the phone after setting Package contents 1* Blackview BV4800 Rugged Smartphone1* Type-C USB Cable1* Power Adapter(AU)1* SIM Tray Ejector * 1 (SIM Card is not included) 1* User Manual