Vivo X300 Pro Spotted on CMIIT List, Expected to Debut with 6,500mAh Battery

Abhi Soni

Vivo is gearing up to launch its new X300 series in China, with recent certifications hinting at exciting upgrades for the top-end model. The V2502A and V2502DA—likely variants of the forthcoming Vivo X300 Pro—have received official approval from China’s Ministry of Industry and Information Technology (CMIIT), cementing their readiness for market release by the end of September 2025.

Certification Details & Key Features

  • Model Numbers: V2502A, V2502DA
  • CMIIT Certification: Both devices are now officially listed, with V2502DA distinguished by support for Beidou-3 short messaging via satellite—a feature missing from V2502A.
  • Operating System: Android 16, expected to ship with Vivo’s custom OriginOS 6 in China.
  • Battery: Certification reveals a 6,375mAh rated battery, likely marketed as a typical capacity of 6,500mAh—one of the largest batteries seen in flagship phones.
  • Satellite Connectivity: The V2502DA’s Beidou-3 messaging support positions the X300 Pro as a promising option for users seeking extra connectivity and security features.

Rumored Specifications & Series Expansion

  • Processor: The Vivo X300 and X300 Pro are expected to debut with the new Dimensity 9500 chipset, launching on September 22 in China.
  • Displays: Leaks suggest the X300 will offer a compact 6.3-inch screen, while the Pro model may feature a larger 6.8-inch display for immersive viewing.
  • Future Models: Vivo is reportedly developing an X300 Ultra variant, set for release next year with the powerful Snapdragon 8 Elite 2 chip. However, global availability of this Ultra model remains unconfirmed, while the X300 and X300 Pro should launch internationally after their China release.

Market Impact

The combination of Dimensity 9500, a massive battery, and advanced satellite features could make the Vivo X300 Pro a standout flagship contender. Satellite messaging increasingly marks premium smartphones, and Vivo’s adoption reinforces its commitment to cutting-edge connectivity.

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The X300 series positions Vivo for aggressive competition in both the Chinese and global premium smartphone markets as it readies for its September debut.

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