Technology is changing very fast. In some cases faster than your thinking. If you behind the history of mobile phones, you will see huge changes just within the last few years. Now the phone is just not a device that is used for texting or calling. It has become the mini version of the computer that has made our life easy.
Today we are not going to discuss the history of mobile phones. We will discuss the revolution of a foldable smartphone. In the past few years, the foldable phone is at the top of the discussion table.
The concept of a foldable smartphone was given by Polymer Vision in 2006 at the Mobile World Congress. Now, a lot of models of foldable phones are available in the market from various companies. Typically they use flexible plastic OLED display instead of the glass display. 
You might be thinking what is the first foldable smartphone? Surprisingly it is Royole FlexPai. They introduce the world’s first folding phone on October 31, 2018. Then Samsung, Huawei, and other brand launched their phones.
In this article, we are going to share all the latest foldable smartphones that are available in the market. Let’s check them out.
1. Royole FlexPai
This phone is at the top of the list because it is the first foldable phone that was introduced by Royole. They are china based electronics company that was founded in 2012. They come to the spotlight of discussion with this phone.
This phone was not good enough for regular usage. The build quality was very poor and the software was also not optimized well.
2. Samsung Galaxy Fold
Samsung unveiled Galaxy Fold on February 20, 2019. This is the second folding phone that was released officially in the market and caught the attention quickly.
It has 2 screens that can be folded easily. The total size of the screen is 7.5 inches that can be used as a tablet.
3. Huawei Mate X
Another great foldable phone is Mates X that was released by Huawei on February 24, 2019. They also got a lot of attention from the users.
The design of this phone is pretty much unique and different from the others. It also offers a bigger screen with 8 inches display that is almost bezels free. The exciting design is sure to impress you.
4. Motorola Razr
Motorola brings its first folding phone with a very unique design. They launched their phone on November 13, 2019.
It was a folding flip phone. The main display size of the phone is 6.2 inches and the secondary display size is 2.7-inch.
5. Xiaomi Dual Flex/ MIX Flex
This is another biggest invention from Xiaomi that comes with a dual foldable display. This phone has not released yet, but we saw a prototype of this device.
This phone comes with a 7.3-inch display. This phone is almost bezel-free and it has a very unique design. It is also easy to carry.
6. TCL Trifold
This is another great concept from TCL. Normally it has a 6.65 inches display, but when you unfold this it became a 10-inch tablet. The most exciting feature of this phone is it is a borderless phone.
Trifold has 3 batteries to power up the display.
7. Huawei Mate XS
This is the second foldable smartphone from Huawei that will be launched soon. This version will be smaller than the Mate X with a lot of improvements.
The price of this phone will also be cheaper than the first version of Mate X.
8. Samsung Galaxy Z Flip
Galaxy Z Flip is another flip foldable smartphone launched by Samsung. This phone comes with a 6.7 inches AMOLED glass panel display.
They used a Snapdragon 855 processor and 8 GB of RAM for an exciting experience with gaming. The UI of this phone is based on Android 10.
9. Samsung Galaxy Z Fold 2 5G
This phone has a 7.6 inches dynamic AMOLED display. This infinity fold display has a 120Hz refresh rate. The UI is based on Android 10 that is also optimized for any software.
This flagship phone comes with a Snapdragon 865+ processor, 12GB of RAM, and 512GB of massive internal storage. The battery is 4500mAh.
Oppo has also worked with the foldable phone project. Their first foldable phone is OPPO X. The design is very impressive with a side mount fingerprint, bezel-less display.
They have not yet published anything about these. It might become in 2021.