Battery: 8000mAh Lithium-ion battery. Model: S25 ultra. - Dual SIM card supports TF card. Standby: Dual sim dual standby. -Android 15.0. Speaker: 1511 Box Speaker. Others: Android OS 15.0 Svstem. Dual card dual standby, card slot does not distinguish between the main and the deputy, supporting the worlds 50 major communication carrier networks.
eBay