Finding the best phone under 20K in Bangladesh feels difficult today. Many budget smartphones promise big batteries, smooth screens, and good cameras. Official warranty matters just as much as the specifications on paper. This guide covers four Android phones under 20K listed at Star Tech. Each pick includes key specs and the practical benefit for daily use. Prices were checked on product pages, but they can change anytime. Read on to find the right budget mobile phone for your needs.

What to Look for in a Budget Smartphone

Battery life usually comes first for most buyers across Bangladesh. A larger battery means fewer charging stops during work, classes, or travel. Display refresh rate also matters, because higher numbers make scrolling feel smoother. Check storage next, since apps, photos, and videos fill space quickly. Dust and splash resistance adds peace of mind during the rainy season. Finally, choose a phone with official warranty for reliable after-sales support. Keeping these points in mind makes comparing phones much easier.

Top 4 Official Phones Under 20K

1. Realme C100i

The Realme C100i is listed at 17,999 taka on Star Tech. It has a 6.8-inch HD display with a 120Hz refresh rate. A UniSoc T7250 chip runs it, with 4GB RAM and up to 128GB storage. The 7000mAh battery supports 15W charging, helping you avoid frequent top-ups. IP64 protection adds resistance against dust and light splashes during daily use. It ships with Android 16 and one year of official warranty. This suits users who want the biggest battery in this list.

2. Vivo Y05

The Vivo Y05 smartphone costs 18,999 taka at Star Tech at the moment. Its 6.74-inch HD+ IPS screen supports up to 120Hz refresh rate. A Unisoc T7225 chip and 4GB RAM handle everyday apps and calls. Storage comes in 64GB or 128GB, plus microSD expansion for extra photos. The 6500mAh battery charges at 15W, and IP65 resists dust and splashes. Android 16 with OriginOS 6.0 gives you a modern software experience. A one-year official warranty backs the purchase for added confidence, making this Vivo smartphone a reliable pick. 

3. OPPO A6x

The OPPO A6x is priced at 19,999 taka, just under the 20K limit. It features a 6.75-inch HD+ display with 120Hz refresh rate. Qualcomm Snapdragon 685 powers it, paired with 4GB RAM and 64GB storage. The 13MP rear camera and 5MP selfie camera cover everyday photo needs. Its 6500mAh battery and IP64 rating suit long days and rainy commutes. Android 15 with ColorOS 15 comes preinstalled, with a one-year warranty. Buyers wanting a stronger chipset will find this model appealing.

4. HONOR X5c Plus

The HONOR X5c Plus is listed at 18,499 taka on Star Tech. It offers a 6.74-inch HD+ display with a 90Hz refresh rate. MediaTek Helio G81, 4GB RAM, and 128GB storage power the experience. Its 50MP main camera offers the highest resolution in this list. The 5260mAh battery supports 15W wired charging for quick top-ups. A dedicated microSD slot lets you expand storage when needed. Android 15 with MagicOS 9 and a one-year official warranty come included. It is also the lightest phone here at 186 grams.

Which Should You Buy?

Choose the Realme C100i if battery capacity matters most to you. Pick the Vivo Y05 for 120Hz display, IP65 rating, and flexible storage options. Go for the OPPO A6x if you want the Snapdragon chipset. Select the HONOR X5c Plus for the 50MP camera and lighter body. All four phones include a one-year warranty and a 3.5mm headphone jack. Compare final prices before buying, because offers and stock change often. Think about your daily habits, then let them decide the winner.

Where to Buy in Bangladesh

Star Tech lists all four phones with prices in taka and stock status. You can order online, and delivery is available anywhere in Bangladesh. Each page shows EMI options, so confirm the terms before you pay. Warranty claims go through each brand’s service center, so keep your invoice. Visit a nearby Star Tech shop if you prefer checking the phone first. Always verify the latest price and availability before you place an order. Buying from an authorized seller protects your warranty and your money.