Best dual-SIM Android phones 2021

The POCO M3 is a beautiful design with a two-day battery life due to the 6,000mAh battery. It also has a large FHD+ screen of 6.5 inches and reliable hardware. You also get a lot of value. This phone comes with a dual SIM tray, Dual SIM Dual Standby and LTE bands for AT&T or T-Mobile.
You want the best hardware for a reasonable price? Redmi Note 10 Pro is the perfect choice. The Redmi Note 10 Pro has a 120Hz AMOLED display, reliable hardware and great cameras. It also comes with a huge battery that can be charged quickly at 33W. Although it isn't officially available in the U.S. you can find the international unlocked version on Amazon. It works perfectly on AT&T or T-Mobile. It has dual SIM card slots with Dual SIM Dual Standby.

Samsung does not sell dual-SIM models in the United States due to carrier pressure. You can however get the Galaxy S20 FE global version on Amazon. This device comes with the Exynos 990 processor, which is the same as the U.S. version. It still offers excellent value with dual SIM slots and Dual SIM Dual Standby. It also works on AT&T or T-Mobile. The S20 FE is still a great overall choice, a year after it was launched.

If you are looking for a mid-range phone that has a great camera and clean software as well as 5G connectivity, the Pixel 5a 5G should be your default choice. The phone only has one SIM card slot. However, it can also be used with eSIM which allows you to use multiple numbers. While you can switch to an eSIM SIM for your primary number, and the physical SIM card slot as a secondary number, there is no Dual SIM Dual Standby.

The Nokia 3.4 combines solid hardware that can be used every day with a large, 6.39-inch 720p display and a 4,000mAh battery. This phone is convenient. The Nokia 3.4 can be used on all U.S. carriers and features a dual SIM slot that allows you to use two numbers simultaneously. It also has Dual SIM Dual Standby.

The Zenfone 8 brings together the best features of 2021 flagships in a smaller package. You can use the 5.92-inch AMOLED screen with one hand. It also features a 120Hz refresh rate, the latest internal hardware including the Snapdragon 8888, 8GB RAM and 256GB storage. It's also available in the U.S. directly and works on AT&T's 5G networks.

The OnePlus 8T remains the best dual-SIM smartphone you can purchase in North America. OnePlus 9 series is a follow-up to Samsung, offering single-SIM options in the region. The 8T was launched almost a year ago. It is extremely fast. The Snapdragon 865 is still fast for any task. The 120Hz AMOLED panel and 12GB RAM and 256GB storage are just as impressive. There's also a 65W fast charging and an all-day battery.

Dual-SIM Android phones are the best because you can seamlessly use both SIM cards simultaneously. Dual-SIM phones are becoming more popular in Western countries. They have been popular in Asia for years. Dual-SIM phones allow you to keep your primary SIM, but also pick up a local SIM for use while on the road. This eliminates the need to have two phones.

All the best Android phones have a dual-SIM card slots. However, because of the U.S. carrier-driven ecosystem, Samsung has disabled this feature in the region. It doesn't appear that things will change with manufacturers like OnePlus following their lead.

The OnePlus 8T is currently the best option. It has 12GB RAM and 256GB storage, along with a 65W fast charging system. The OnePlus 8T has excellent cameras and software that is optimized for the hardware. It's a great choice if you need dual-SIM connectivity. It came with Android 11 as a default, which means it doesn't have to wait for platform updates like the OnePlus 9 series.

There are unlocked global versions of the Note 20 Ultra, Galaxy S21 series, and Galaxy S21 series available on Amazon U.S. It's not worth the inconvenience of losing warranty, especially on flagship phones. The Galaxy S20 FE is a better choice than the flagships and offers a wider range of features.

The Redmi Note 10 Pro, a budget-friendly option, is an excellent choice. Although Nokia and Motorola sell many budget phones in America, the Redmi Note 10 Pro offers superior hardware and great value. In this price category, no other phone is as good as the POCO M3.