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Blue Spark40 Pro smartphone with electroplated frame and matte AG glass back, 6.6-inch punch-hole display

Spark40 Pro 6.6-inch 3GB 16GB cell phones - unlocked

SKU CH-5AJE-Y6T0H MPN Spark40

A 6.6-inch Android 10 smartphone with 3GB RAM, 16GB storage and a 4000mAh battery

  • ColorBlue
  • RAM3GB
  • Storage16GB
  • 4GLTE
  • 6-inch Incell punch-hole display for edge-to-edge viewing
  • Quad-core mtk6739 chip handles everyday tasks smoothly
  • Dual SIM with TF expansion up to 128GB keeps work and personal separate
  • 4000mAh battery with TYPE-C 2A charging lasts through the day
  • 8MP autofocus rear camera captures sharp photos in good light

Budget Android phone for basic use

The Spark40 Pro is an entry-level unlocked smartphone running Android 10 on a quad-core MT6739 chip with 3GB of RAM and 16GB of storage. It features a 6.6-inch Incell punch-hole display with a 720x1520 resolution. The device includes a 4000mAh battery with Type-C charging at 2A and supports dual SIM standby with microSD expansion up to 128GB.

Users needing simple calls and light apps

This handset suits people who primarily make calls, message and run lightweight apps such as social media or email. Buyers who want smooth multitasking, high-resolution photography, fast 5G data or modern gaming performance should look elsewhere. The 3GB RAM and Android 10 limit compatibility with newer applications and heavy background tasks.

16GB internal storage with 128GB card slot

The phone ships with 16GB of built-in storage, of which the operating system consumes a portion. A dedicated microSD slot accepts cards up to 128GB for photos, videos and offline media. If your apps and local files exceed this combined space, the device will not meet your needs.

Highlights

  • 6-inch Incell punch-hole display for edge-to-edge viewing
  • Quad-core mtk6739 chip handles everyday tasks smoothly
  • Dual SIM with TF expansion up to 128GB keeps work and personal separate
  • 4000mAh battery with TYPE-C 2A charging lasts through the day
  • 8MP autofocus rear camera captures sharp photos in good light

Specifications

ColorBlue
RAM3GB
Storage16GB
4GLTE

Questions about this item

Does the MediaTek MT6739 chipset and 4000 mAh battery run cool during all-day use?

The quad-core MT6739 is a low-power 28 nm design and the 4000 mAh cell supports only 2 A charging, so sustained heat stays modest.

What must I already own to activate mobile data on this unlocked handset?

You need a nano-SIM from a carrier that operates on GSM 850/900/1800/1900, 3G 850/1900/2100 or 4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 66.

Can I keep using my existing micro-SIM and microSD card with the dual-slot tray?

The tray accepts two nano-SIMs plus a microSD card up to 128 GB; a micro-SIM would require an adapter.

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