Unlocked C24 Ultra Smartphone 8GB+256GB 6.8in HD - Long Battery

In this review of the C24 Ultra the bottom line is simple: this unlocked Android phone is aimed at users who want big screen real estate, a long-lasting battery and plenty of storage without carrier restrictions. The C24 Ultra delivers a large 6.8in HD+ display, an impressive 6800 mAh battery and 8GB RAM plus 256GB storage, all running Android 13; those features make it an easy pick for heavy media consumers, note takers and travelers who need dual SIM flexibility. The review focuses on everyday use, camera performance and battery life to help assess value.

Key Features

• Unlocked for all carriers: Flexibility to use the phone with a wide range of networks and swap SIMs as needed without being tied to one provider.
• Dual SIM support: Lets users keep work and personal lines active or use a local data plan while traveling for uninterrupted service.
• Large 6.8in HD+ screen: A 95% screen-to-body ratio provides a roomy display for video, reading and multitasking with clear, vivid details.
• High-resolution cameras: A 108MP main macro captures close-up detail while the 48MP front camera improves selfies and video calls with portrait enhancements.
• Built-in Pen: The included pen makes quick notes, sketches and edits easier, continuing the C24 Ultra Note tradition for on-screen writing.
• Huge 6800 mAh battery: Above-average capacity plus AI battery management and 20W fast charging mean longer standby and quick top-ups when needed.

Who It's For

The C24 Ultra suits users who prioritize battery life, storage and a large display: commuters, students, and anyone who streams video or takes many photos will appreciate the 6800 mAh battery and 256GB of storage. It's also a good choice for travelers and professionals who need dual SIM flexibility and an unlocked device to change carriers or use local plans.

It is less well suited to buyers who require flagship-level processing for sustained high-end gaming or the absolute highest display resolution; those users should look for a phone with a top-tier GPU or a higher-resolution OLED. Casual users who want a very compact device should also consider smaller models.

Pros & Cons

Pros

• Excellent battery life from the large 6800 mAh cell keeps the phone running for long days of use.
• Generous 8GB RAM and 256GB storage give room for apps, photos and offline media without frequent cleanups.
• Unlocked dual SIM support and broad frequency bands make it convenient for travel and carrier choice.
• Built-in pen adds productive note-taking and sketching capabilities that many phones do not include.

Cons

• Screen is HD+ LCD rather than higher resolution OLED, so contrast and deep blacks are not flagship class.
• Processor details are general; users who need top-tier gaming performance should verify benchmarks for heavy use.

Specifications

Operating System	Android 13
Display	6.8in HD+ LCD, 95% screen-to-body ratio
Memory & Storage	8GB RAM, 256GB ROM
Cameras	108MP main macro, 48MP front
Battery	6800 mAh with 20W fast charging and AI battery management
SIM	Dual SIM, unlocked for multiple carriers
Extras	Built-in Pen

Our Verdict

The C24 Ultra is a strong value for users who want long battery life, lots of onboard storage and a large display without carrier lock-in. Its built-in pen and high-resolution cameras add useful versatility for note takers and casual photographers, while dual SIM support helps travelers. Those seeking the absolute best display or the fastest gaming chipset should compare alternatives, but for most daily users the C24 Ultra offers sensible features at a practical price.

Frequently Asked Questions

Is this phone compatible with my carrier?
Yes, the device is unlocked and supports wide frequency bands so it will work with most carriers that accept unlocked phones.

How long does the battery last?
The 6800 mAh battery provides extended standby and all-day use under typical conditions, with AI battery management to reduce unnecessary power drain.

Does it include a stylus?
Yes, the C24 Ultra includes a built-in Pen for notes and sketches.