How does 7,100mAh stack up against vivo X300s competitors?

7,100mAh is the largest battery capacity ever in vivo's X series. For context: OnePlus 15T carries 7,500mAh, and the leaked Honor Magic9 points to 8,000mAh in a 6.36-inch body. The X300s lands at 7,100mAh with a 6.78-inch screen — strong by any measure, but sitting between competitors in the large-battery category. The still-unrevealed fast charging speed will be equally important to the real-world picture.

Why does an ultrasonic fingerprint scanner matter over a standard optical one?

The X300s features an ultrasonic in-display fingerprint sensor. Ultrasonic scanners have three advantages over optical: faster unlock speeds, higher recognition accuracy, and reliable operation in all conditions including wet hands — because they map the three-dimensional topography of the fingerprint rather than relying on light reflection. Qualcomm develops this technology and it's found in most current flagship devices.

What practical benefit does USB 3.2 Gen 1 offer on a smartphone?

The X300s supports USB 3.2 Gen 1. USB 3.2 Gen 1 enables transfer speeds up to 5 Gbps — roughly 10 times faster than the USB 2.0 found in most mid-range phones. In practice: transferring 4K video files from phone to PC in seconds rather than minutes, using the phone as a high-speed external drive, and better support for connected accessories like external displays and professional recording gear.

Is a flat 6.78-inch screen at 144Hz a strength or a compromise for a flagship?

The X300s features a flat 6.78-inch screen with 144Hz refresh rate. A flat screen in 2026 is a deliberate choice, not a compromise — a significant portion of users prefer it for durability and edge usability. 144Hz delivers a smooth daily experience and gaming performance, though some competitors offer 165Hz or LTPO-based 144Hz for smarter power management. Specs still awaited: display resolution and panel type (AMOLED/LTPO).

When will the vivo X300s launch and reach Arab markets?

The X300s is expected to be unveiled alongside the X300 Ultra, which was teased at MWC earlier in March 2026. A launch within the coming weeks is likely as the teaser campaign reaches its conclusion. vivo is steadily expanding internationally — Middle East availability is plausible down the line, though regional timing remains unconfirmed. Follow the official launch announcement for complete specs and pricing.

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vivo X300s Officially Announced: Largest 7,100mAh Battery in the X Series, 6.78-inch 144Hz Flat Display, Ultrasonic Fingerprint Scanner, and USB 3.2

25/03/2026

vivo X300s Officially Confirmed: 7,100mAh Battery — Largest Ever in the X Series

vivo's teaser campaign for the X300s continues, with the brand today officially revealing that the phone sports a 7,100mAh battery — the biggest capacity in the X series to date.

Officially Confirmed Specs

The X300s is also officially confirmed to sport a 6.78-inch flat screen with a 144Hz refresh rate, symmetrical dual speakers, a custom vibration motor, an ultrasonic in-display fingerprint sensor, and USB 3.2 Gen 1 support.

Launching Alongside X300 Ultra

The X300s is expected to be unveiled alongside the X300 Ultra, which was teased at MWC in Barcelona earlier this month.

FAQs

vivo officially confirms the specifications of the X300s: a 7,100mAh battery, the largest in the X series, a 6.78-inch 144Hz flat display, an under-display ultrasonic fingerprint scanner, dual symmetrical speakers, and USB 3.2 Gen 1 support. Launching alongside the X300 Ultra is coming soon.