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Black 6.6 inch smartphone, flat glass back, triple camera module, slim profile

Mi

Mi Poco X3 GT 6.6" 8/256GB Black cell phones - unlocked

SKU CH-Z53V-F861Z

An unlocked Android phone with a 6.6" 120Hz display, 64MP triple camera, 8GB RAM and 256GB storage

  • Storage drive256 GB
  • Operating systemAndroid 11
  • Main screen size6.6 in (16.8 cm)
  • RAM capacity8 GB
  • Product colorBlack
  • 6-inch 120 Hz display for smooth scrolling
  • 64 MP triple camera captures detailed photos
  • 8 GB RAM and 256 GB UFS 3.1 storage for fast performance
  • 5G-ready MediaTek Dimensity 1100 octa-core processor
  • Dual SIM with NFC for flexible connectivity

Unlocked 6.6" 256GB smartphone

The Poco X3 GT is a factory-unlocked Android 11 phone with 8GB RAM and 256GB internal storage. It runs on a MediaTek Dimensity 1100 5G chipset and supports dual Nano-SIM standby. The 6.6-inch IPS LCD panel delivers a 120Hz refresh rate and HDR10 support.

Suits buyers needing expandable storage

This model has no microSD card slot and lacks a 3.5mm audio port, so users who require removable media or wired headphones should consider other devices. It also uses an IPS screen rather than OLED, which may not satisfy buyers wanting deeper blacks.

120Hz IPS LCD with 256GB UFS 3.1 storage

The display combines a 120Hz refresh rate with HDR10 and Corning Gorilla Glass Victus protection. Internal storage uses UFS 3.1 for fast read and write speeds, and the 256GB capacity is fixed with no card expansion. This screen and storage pairing defines daily responsiveness and media capacity.

How it compares

Measured against everything we stock in Unlocked Smartphones, at today’s prices. Recalculated every night.

Price $300.99
Pricier than about 70% of the 2,409 comparable items (median $168.99).
Storage drive 256 GB
Higher than about 70% of the 1,888 comparable items (median 128 GB).

Specifications

Product
Brand nameMI
Product colorBlack
Memory
RAM capacity8 GB
Storage
Storage drive256 GB
Display
Main screen size6.6 in (16.8 cm)
Software
Operating systemAndroid 11

Questions about this item

How warm does the Dimensity 1100 5G chipset get during extended gaming sessions with the 120 Hz display active?

The 6 nm MediaTek Dimensity 1100 5G octa-core processor and Mali-G77 MC9 GPU are built for sustained performance; the 193 g body with 8.9 mm thickness provides passive heat dissipation during long gaming or 5G use.

Which Nano-SIM cards and memory cards do I need to have ready before first boot?

The phone accepts two Nano-SIM cards in dual stand-by mode and has no microSD slot, so bring two active Nano-SIMs and rely on the built-in 256 GB UFS 3.1 storage for apps and media.

Will my existing wired headphones with a 3.5 mm plug connect directly to this handset?

There is no 3.5 mm jack on the device; audio output goes through the USB-C port or the built-in stereo speakers tuned by JBL with 24-bit/192 kHz support.

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