
Looking for a budget-friendly smartphone around $100? Picking the right one can be challenging, but fear not! Today, I'll suggest 5 second-hand phones hovering around the $100 mark, boasting good specs and meeting your daily needs.
When it comes to buying a used smartphone from The Mobile World, rest assured; each device undergoes thorough quality and aesthetics checks before reaching users. Let's explore today's list together with 24h Tech!
*The list is randomly arranged by price, and the quantity of available devices may vary depending on your location.
1. What can you get for $100? Xiaomi Redmi 10C - a powerhouse with a solid configuration
Let's kick off with the first phone to address the question of which used phone to buy for $100 - the Redmi 10C.
Speaking of the performance of the Redmi 10C, there's nothing to argue about, in my opinion. Similar to the Redmi Note 11, the Redmi 10C boasts the Snapdragon 680 chip paired with the Adreno 610 GPU, ensuring power efficiency and smooth gaming.
Hence, the Redmi 10C can effortlessly handle your Arena of Valor sessions at the highest graphics settings while maintaining a stable frame rate of 59-60 FPS. So, gamers, no need to worry that the Redmi 10C won't meet your gaming needs!

Priced just above $100 but equipped with a 50 MP camera, the Redmi 10C is a steal. Optimized by the Snapdragon 680 processor, the camera fully meets your basic photography and video recording needs.
Proving that affordable Xiaomi smartphones never go out of style with what these devices bring to the table.

In my opinion, the Redmi 10C is nearly perfect for all user types – from those seeking a stable-performing smartphone for movie marathons, gamers looking to conquer games, to those in search of an unrivaled device within their budget.
Adding to its appeal is the 128 GB ROM paired with 4 GB of RAM, facilitating smooth multitasking and abundant data storage without the worry of running out of memory.
- Should you buy the Redmi 10C: Dragon Chip akin to the Redmi Note 11 but more affordable?

BUY USED XIAOMI REDMI 10C AT A GREAT PRICE
2. Samsung Galaxy A12 (4GB/128GB) used - A smartphone with stable performance
The Samsung Galaxy A12 strikes a balance between design, camera, and performance, smoothly catering to most users' basic needs.

The Samsung Galaxy A12 boasts a familiar monolithic design, with the molded casing providing robust and durable construction. The 6.5-inch screen size enhances the overall experience, making it more spacious and clear.
Powered by the MediaTek Helio G35 octa-core chip, 4 GB RAM, and 128 GB internal storage, the Samsung Galaxy A12 ensures excellent multitasking speed. Noteworthy is its robust battery life, thanks to the 5,000 mAh battery capacity, lasting for a full day.

In terms of photography, the quality of the 4-camera system is reasonably good, featuring a 48 MP main sensor, a 5 MP ultra-wide-angle camera, a 2 MP depth sensor, and a 2 MP macro camera, producing vibrant and eye-catching images.
- Samsung Galaxy A12 Review after 6 Months of Use: Still Remarkably Good!

BUY USED SAMSUNG GALAXY A12 AT A GREAT PRICE
3. Vivo Y21 used - Budget-friendly phone with an attractive design
The next spot on the list that I want to share with you is the Vivo Y21.
One of the most impressive aspects when looking at the Vivo Y21 is its design style. When you tilt the phone at various angles, the light shining on the back of the Vivo Y21 makes it stand out.

The Vivo Y21 is equipped with the Helio P35 processor and 4 GB of RAM. In my opinion, the Vivo Y21 can provide a smooth and stable experience for web browsing, reading news, and watching YouTube. Moreover, it can handle some popular games today with medium graphics settings.

Additionally, the Vivo Y21 is equipped with a large 5,000 mAh battery, sufficient to meet your daily usage needs, from tasks like reading news and watching movies to gaming activities.
Despite being an affordable smartphone, the Vivo Y21 also incorporates 18 W fast charging technology, allowing us to save a significant amount of charging time.

In my opinion, if you're looking for a smartphone that meets basic usage needs or makes a great gift for family members like parents or grandparents, the Vivo Y21 is an excellent choice.
If you're considering buying a phone under $100, then the Vivo Y21 is a worthwhile option for you.
- Vivo Y21 series: Surprises with a super-large screen and an incredibly massive battery

BUY USED VIVO Y21 AT A GREAT PRICE
4. OPPO A16K used - Attractive design with a massive battery capacity
Affordable phones with good quality undoubtedly include OPPO smartphones. The most notable one in this segment that I want to share with you is the OPPO A16K.
If you want to own a smartphone that fulfills basic tasks and smoothly handles light gaming, then OPPO A16K is a must-consider, thanks to the MediaTek Helio G35 octa-core chip built on a 12nm process.
With the OPPO A16K, you can freely browse the web, watch YouTube, make video calls, use Facebook, and play light games smoothly on this phone.

When it comes to OPPO, the camera is my favorite aspect. The rear camera setup is arranged in a square module with a 13 MP resolution camera, AI support, ensuring a beautiful experience for video recording and photography.

Equipped with a 4,230 mAh battery, this smartphone is ready to accompany you on any journey, allowing you to enjoy continuous entertainment without worrying too much about battery depletion.
If you're someone who loves taking photos, playing games, and is seeking a suitable smartphone, then the OPPO A16K is a very reasonable choice for you.
- OPPO A16K Battery Review: Continuous 7-hour gaming and entertainment usage

BUY USED OPPO A16K AT A GREAT PRICE
5. Samsung Galaxy A03 used - A suitable gift for loved ones
Finally, in the list of phones under $150 that I want to share with you is a product from Samsung – the Galaxy A03.
The first thing that captivates me about this Galaxy A03 is the lucky red back. Thanks to this color, the Galaxy A03 will be an excellent gift for your parents.

Another point that will satisfy your parents is that this phone has a large 6.5-inch screen. Text content displayed on the screen will also be larger and clearer, making it easy for your parents to use.

The Galaxy A03 is powered by the Unisoc T606 chip – a 'national' processor in the mid-range phone segment. Therefore, the Galaxy A03 will perform well for most of your daily tasks such as listening to music, watching movies, and browsing the web.

With a 5,000 mAh battery, the Galaxy A03 has a mixed usage battery life of 9 hours and 35 minutes, as tested by The Mobile World's reviewers.
In my opinion, the Galaxy A03 is a great choice for users who only need basic functionalities such as calling, web browsing, or light gaming. It's also an excellent option if you want to turn your smartphone into a wonderful gift for your parents.
- 1 Month with the Galaxy A03: Impressive Photography, 2-Day Battery Life, Stable Performance

BUY USED SAMSUNG GALAXY A03 AT A GREAT PRICE
Conclusion
Here is a list of the TOP 5 affordable used phones priced around 3 million VND for your reference, hoping to answer the question 'Which used phone should I buy for 3 million'. You can own a good phone without spending too much money.
What do you think about these 5 smartphones? Leave your comments below!

Don't forget, The Mobile World is currently offering a big discount of up to 9 million VND for phones and up to 20-50% for products such as accessories, tablets, etc. You can check the details of the program by clicking the orange button below.
CLEARANCE SALE - AFFORDABLE PRICES, NO WORRIES
Explore more:
- TOP 5 budget phones with Snapdragon chipset under 4 million VND at The Gioi Di Dong.
- TOP 5 affordable smartphones under 5 million VND equipped with a high-quality wide-angle camera.
- Which phone to buy under 5 million VND? Suggestions for HOT models in the price range.