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Foldable smartphone, graphite glass back, aluminum frame, visible wear marks

SAMSUNG

Samsung Galaxy Z Flip4 128GB Graphite AT&T Locked prepaid

SKU CH-2ECV-9C1XB

A foldable 6.7-inch AMOLED phone with 128GB storage, 120Hz refresh rate and 1200-nit peak brightness, locked to AT&T prepaid

  • ColorGraphite
  • Storage128GB
  • Foldable 6.7-inch Dynamic AMOLED 2X display with 120Hz refresh rate and 1200 nits peak brightness
  • Compact folded size of 84.9 x 71.9 x 15.9-17.1 mm fits easily in pockets
  • 128GB internal storage provides ample space for apps, photos and files
  • Lightweight 187g design with Armor Aluminum frame and Gorilla Glass Victus+ back
  • AT&T locked prepaid model ready for immediate activation on compatible plans

Foldable 128 GB smartphone for prepaid users

This Samsung Galaxy Z Flip4 offers 128 GB of storage in a graphite finish and is locked to the AT&T prepaid network. The foldable 6.7 inch Dynamic AMOLED 2X display runs at a 120 Hz refresh rate with HDR10+ support and a peak brightness of 1200 nits. It suits buyers who want a compact flip form factor without a long-term contract commitment. Buyers who need an unlocked device for use on other carriers or who require more than 128 GB of internal storage should look elsewhere.

Practical limits of the foldable display

The inner screen measures 6.7 inches diagonally with an 85.4 percent screen-to-body ratio and a 120 Hz adaptive refresh rate. Peak brightness reaches 1200 nits for outdoor visibility while HDR10+ enhances compatible video content. The AT&T network lock restricts the phone to that carrier’s prepaid service until the operator’s unlock requirements are satisfied. The C-grade condition means the unit may show dents, cracks, chips or scuffs on the body and scratches or dark spots on the LCD screen.

Installation notes and common issues

Activation requires an AT&T prepaid Nano-SIM or a compatible eSIM profile; no additional hardware assembly is needed. The folded thickness ranges from 15.9 to 17.1 mm and the phone weighs 187 g, so it fits most pockets but the hinge area should be kept free of dust and debris. Cosmetic damage described in the C grade does not affect core functionality, yet buyers should inspect the screen for dark spots and the body for structural cracks before relying on the device daily.

Highlights

  • Foldable 6.7-inch Dynamic AMOLED 2X display with 120Hz refresh rate and 1200 nits peak brightness
  • Compact folded size of 84.9 x 71.9 x 15.9-17.1 mm fits easily in pockets
  • 128GB internal storage provides ample space for apps, photos and files
  • Lightweight 187g design with Armor Aluminum frame and Gorilla Glass Victus+ back
  • AT&T locked prepaid model ready for immediate activation on compatible plans

Specifications

ColorGraphite
Storage128GB

Questions about this item

Should I pick the 128GB Graphite model or look for a different storage option?

This listing only offers the 128GB Graphite version, so choose it if that capacity and colour match your needs.

What does the 120Hz foldable display mean for daily use?

The 6.7-inch Dynamic AMOLED 2X panel refreshes at 120Hz and reaches 1200 nits peak brightness, giving smooth scrolling and good outdoor visibility when unfolded.

How does the Nano-SIM and eSIM setup work on AT&T's network?

The phone accepts one physical Nano-SIM and one eSIM profile, both locked to AT&T, letting you activate prepaid service without a contract.

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