Unlocked 3G Mobile Phone, 6.6-inch Screen 16GB ROM (SD to 128GB), Dual SIM Dual Cameras, Android 10.0 OS, Face ID Cell Phones (Black)
Condition: New
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Learn more about financing & leasing here.
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Extended holiday returns
Returnable until Jan 31, 2026 Learn more
Returnable until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: Returnable until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
In Stock.
Arrives
Friday, Dec 26
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Color: black
Features
- Please Note: Bands: 2G GSM B2/3/5/8, 3G WCDMA B1/2/5/8, Not 4G. Compatible with most of GSM Carriers such as T-Mobile, Metro Pcs and others. (Not compatible with AT&T, Cricket or CDMA carriers such as Sprint, Verizon and Boost Mobile) This is a 3G smartphone, not 4G. Check compatibility with your local bands before purchase
- Stay connected all day long with the powerful 4000mAh battery of this smartphone, ensuring you have enough power to keep up with your busy lifestyle without frequent recharging.
- Capture every moment beautifully with the dual-camera setup of 5MP+8MP on the smartphone, allowing you to take stunning photos and videos, perfect for sharing on social media.
- Enjoy smooth multitasking and efficient performance with 2GB RAM and 16GB storage in this smartphone, running on the user-friendly Android 10.0 OS for an optimized experience.
- Powered by the reliable MTK6580 CPU, this smartphone delivers impressive speed and responsiveness, making it ideal for browsing, streaming, and gaming on the go.
Brand: KostSell
Operating System: Android 10.0
Ram Memory Installed Size: 2 GB
Memory Storage Capacity: 128 GB
Screen Size: 6.6 Inches
Resolution: 576x1280
Model Name: KostSell-K6PM
Wireless Carrier: T-Mobile
Cellular Technology: 3G
Connectivity Technology: Wi-Fi
Package Dimensions: 7.09 x 3.74 x 2.28 inches
Item Weight: 14.1 ounces
Item model number: K6PM
Batteries: 1 9V batteries required. (included)
OS: Android 10.0
Connectivity technologies: Wi-Fi
Other display features: Wireless
Scanner Resolution: 576x1280
Other camera features: Front, Rear
Form Factor: smartphone
Color: black
Battery Power Rating: 4000 Milliamp Hours
Whats in the box: Headset, Phone Case, Power Adapter, USB Cable
Manufacturer: KostSell
Date First Available: July 15, 2025
Memory Storage Capacity: 128 GB
Standing screen display size: 6.6 Inches
Ram Memory Installed Size: 2 GB
Battery Capacity: 4000 Milliamp Hours
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, Dec 26
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
- Klarna Financing
- Affirm Pay in 4
- Affirm Financing
- Afterpay Financing
- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
Top Amazon Reviews
Gave this unlocked phone a try as a backup and it turned out more useful. The 6.6 inch screen is large for the price and makes browsing, texting, and watching short videos comfortable without squinting. Colors look bright enough indoors and checking messages or reading news feels smooth. It arrived already set up with Android 10, so after inserting a SIM card and logging into my accounts I was able to start using it right away. The interface is familiar and easy to navigate even if you are not a tech heavy person. Storage starts at 16GB but adding an SD card gave me plenty of room for photos, music, and a couple of apps I use often. The dual SIM feature is handy. I put my main number on one slot and a travel SIM on the other and switch depending on where I am. Calls come through clearly and text messages send without delay. I tried the cameras during a walk outside and while they are not high end, they do fine for casual pictures and video chats. Face ID unlocks quickly, which I like when I am out and want to get into the phone with one motion. Battery gets me through a normal day with messaging, light browsing, and a bit of YouTube. It charges with no issues and doesn’t overheat during use. One small note is that it handles basic tasks better than heavy gaming, but for calls, social media, and everyday use it performs steadily. Overall this phone feels reliable for daily needs, easy to set up, and a good choice if you want a simple device that does what it should without overcomplicating things.
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Reviewed in the United States on December 1, 2025 by Anastasia
This phone is like that person who dresses sharp but doesn’t do too much. The screen is bright enough to handle videos, scrolling, and random games without feeling washed out. The colors pop in that “surprisingly good for the price” kind of way. Holding it feels solid, not flimsy, which I didn’t expect at all from something labeled 3G in a world obsessed with 5G everything. Using it day to day feels smoother than I expected. Apps open without too much hesitation, the camera does better than the numbers suggest, and the battery goes long enough that I didn’t spend every minute hunting for a charger. It handles basic tasks with no drama. Calling, texting, checking socials, snapping a quick picture, all easy work for it. The dual SIM situation comes in handy when you want to keep things separate. I threw a travel SIM in one slot and my regular line in the other, and it made switching around painless. The phone handled it like it was built for side missions and backup plans. It also has that expandable storage that makes you feel spoiled, because you can just throw in a bigger card and suddenly you’re set. The design itself is what throws people off. It looks like a phone that costs way more. Clean, shiny, and modern without feeling like it’s trying to copy anything too hard. I caught two different people asking what model it was because it looks expensive at a quick glance.
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Reviewed in the United States on December 1, 2025 by Eddifaction
This phone surprised me with how clean the display looks for something so straightforward. The screen is big, bright, and easy on the eyes, which made scrolling through messages and checking directions feel smooth. I set it up for someone who just needed a dependable everyday phone, and the setup went quickly without any confusing steps. The interface is simple enough that you can hand it to almost anyone and they’ll figure it out fast. The dual cameras are decent for the price, especially outdoors. I took a couple shots in daylight, and the colors came out more vivid than expected. Indoors it’s more basic, but still totally usable for quick snapshots or video calls. The Face ID works consistently too, even in dim rooms, which is rare for budget devices. Battery life is solid. After a day of use — calls, maps, texting, some basic apps — it still had juice left. It doesn’t try to push heavy apps, and that actually helps it run smoother because it isn’t fighting against its own hardware. The expandable storage is clutch too, especially if you like having photos and music saved locally.
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Reviewed in the United States on December 4, 2025 by YoloSelfie
The Unlocked 3G Mobile Phone is a good choice for people who have a low budget. It gives a reliable performance. It has good features for everyday use. The screen is big. The screen measures 6.6 inches. The screen is bright. It is easy to read. It is great for browsing. It is great for watching videos. It helps people stay connected. The phone has 16GB internal storage. It also supports an SD card that can go up to 128GB. There is many space for apps and photos. There is space for important files. I like that it has dual SIM capability. This feature helps manage work and personal numbers. It also helps for traveling without change devices. The dual cameras work good for quick snapshots. They are also good for video calls and moments on social media. The interface feels smooth. It is easy to use. The Face ID feature gives extra security. This phone offers good value for the price. It is simple and reliable. It has all the important features that most users needs. It is a solid choice for kids or seniors or anyone who wants an affordable unlocked smartphone.
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Reviewed in the United States on November 30, 2025 by ChengT
I picked up this phone mainly as a backup, something to keep around for travel or those times when my main phone needs a break. For what it is, it’s been pretty handy. The setup was straightforward — pop in a SIM, sign in, and it’s ready to go without much trouble. The screen is bigger than I expected for a budget phone, and it’s easy to read messages or check apps. I’m mostly using it for basic things like calls, texts, and a few lightweight apps, and it handles those without any issues. The dual SIM option is also convenient since I can keep my regular number and a spare line in the same device. Storage is on the smaller side, but the SD card slot solves that quickly. I added a card, and now there’s plenty of room for photos and apps. The cameras are simple but fine for quick snapshots or scanning documents. Overall, it’s a solid little backup phone to keep around — reliable enough for daily basics and doesn’t make me nervous if I toss it in a bag.
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Reviewed in the United States on November 30, 2025 by MaggieW