The modern market for mobile devices is replete with a variety of models. Recently, manufacturers have focused on smartphones with large touch displays. Yes, indeed, they are quite popular among buyers. But do not completely write off phones with a mechanical keyboard. There are people who prefer only such models. Although they lag behind in terms of characteristics, in terms of ease of use, they have no equal. For example, Japanese clamshell phones are conveniently in your hand. Many devices are equipped with a button that allows you to quickly open the lid. There are models running on the operating system. They are full-fledged smartphones, only input is carried out through a mechanical keyboard. The screen in these phones is normal. However, despite its small size, the image quality is high, which many people like. But why run ahead, let's take a closer look at the characteristics of certain models of Japanese manufacturers.
Sony Clamshell Phones
Sony products are in demand among domestic customers. In its assortment there are different mobile phones. To modern, of course, include smartphones. But in fairness it should be noted that clamshells are not deprived of attention either. There are people who give preference to devices with mechanical buttons. They are more convenient to use than huge smartphones. Of course, this is a subjective assessment. Each person independently decides what he likes best. So, let's look at several models with such a case.
Sony Ericsson T707
The device went on sale in 2009. There are three colors to choose from: blue with a metallic tint, pink and black. The case is plastic. There is a slot for external drives. Supports 16 GB MS micro cards. Integrated memory - 100 MB. This Japanese clamshell mobile phone has a removable battery. Its capacity is 920 mAh. It operates in standby mode for up to 400 hours. TFT-display displays a picture with a resolution of 320 × 240 px. Its diagonal is 2.2ʺ. The screen located on the outside of the cover is small. Its resolution is 128 × 36 px. The phone only works with one SIM card. Implemented a Bluetooth module, a USB connector. I have a camera. The resolution of the sensor is 3.2 megapixels.
Sony Ericsson Jalou F100
Like other Japanese clamshell phones, this model is compact, but a bit thick. Case thickness - 18.2 mm. It did not appear on the weight. The device is lightweight - 84 g. It has a 930 mAh battery. Unlike the previous phone, the battery life in the Jalou F100 is less. In standby mode - 250/350 hours. The diagonal of the screen is small, equal to only 2ʺ. The rest of the characteristics does not differ from the above option.
Sony Ericsson BRAVIA S004
Original, stylish model. It went on sale in 2010. Powered by Qualcomm QSD8250 Snapdragon processor. The core accelerates to 1000 MHz. There is also a graphics accelerator. The model of the video card is Adreno 200. The screen size is 3.2ʺ. The battery is 930 mAh. An 8 megapixel camera is also installed. Personal data protection complies with IPX7.
Kyocera Phone Overview
Kyocera AU KDDI TORQUE X01 KYF33 runs on Android 5.1. The platform is built on Snapdragon MSM8909 and Adreno 304 chips. Autonomy is provided by a 1500 mAh battery. The internal memory in the phone is 8Gb, and the system memory is 1Gb. The diagonal of the main TFT screen is 3.4 ", the external is 1.08". The phone has an excellent camera. Its resolution is 13.1 megapixels. Wireless Modules: GPS, Bluetooth, NFS. Protection Standards: IP6X and IPX5 / IPX8. The only drawback of this model is its high weight. The mass with the battery is 182 g.
Sharp Mobile Phones
Every customer is familiar with Sharp products. TVs are especially popular. They are considered quality and reliable. But the phones can not be said. They are not in great demand. What is the reason, no one can say for sure. Most likely, the problem is in a very high price and not in the very top filling. However, although there are few connoisseurs of this brand, they are, so let's look at the features of several Sharp mobile phones.
- Sharp SOFTBANK 601SH AQUOS 2 KEITAI. The phone runs on Android 5.1. The case is protected from shock and water. The hardware platform is represented by the Snapdragon MSM8909 chipset and the Adreno 304 video card. The performance characteristics of 1Gb “RAM” and 8Gb of internal memory complement the performance characteristics. The phone has two screens. The first is on the top side of the cover. The size is small - 0.9 ". The second is the main one with a diagonal of 3.4" and a resolution of 960 × 540 px. I have a camera. The type of sensor is CMOS. Resolution - 8 megapixels. The device supports all communication standards, including 4G.
- Sharp AU KDDI SHF31 AQUOS K. The cost of this model is about 35 thousand rubles. It is worth noting that all Japanese mobile phones are sold at a high price, which, according to users, is not always justified. So, for this money, the buyer receives a secure phone with support for NFS and 4G. It is worth noting the capabilities of the camera. The manufacturer installed a 13.1-megapixel sensor in the device. There is one 3.4-inch screen. The phone has a 1410 mAh battery. The platform is built on the MSM8926 processor. It is based on four elements. They are capable of delivering 1.2 GHz. The operating system version is Android 4.4.

Phones of company FUJITSU
For the Russian market, Japanese FUJITSU clamshell phones are considered an exclusive product. Not every person knows such a company. Although gadgets are not popular, there are models in the line that can attract the attention of buyers. Since our article is devoted to "folding beds", let's look at the characteristics of just such devices.
- ARROWS F-05G. Durable and reliable gadget running on Android 4.4. The characteristics of the memory will not be a surprise to the modern user. 512 MB of "OSes" and 4 GB of internal indicate some limitations. Applications, of course, can be installed on the phone, but you will have to delete something. The hardware platform is represented by the Snapdragon processor MSM8210. The computing module can accelerate to 1.2 GHz. There is also a CMOS camera in the phone. It is based on a 8.1-megapixel sensor. The screen is standard - 3.4ʺ. The device supports third-generation networks. A special button is provided to open the top cover. The case is protected, so the phone can be immersed in water to a depth of 1.5 m. The maximum allowable time is 30 minutes. There is support for 64 gigabyte memory cards. The battery for 1700 mAh is responsible for autonomy.
- DoCoMo F-07F. Ultra-thin clamshell with an interesting design. The case is made of special material. Its composition includes carbon fibers. They make plastic resistant to mechanical damage. The lid opens automatically by pressing a button. The resolution of the CMOS camera is 1.31 megapixels. Video recording is in the format of 1920 × 1080 px. Display Technology - TFT LCD. The diagonal is 3.3ʺ. There is a fingerprint scanner. The case is protected (IPX5 / IPX8 and IP5X), so you can even take pictures under water. The device has the option of clear voice, accelerometer, Bluetooth.
- DoCoMo F-02D. This phone has an excellent 16.3 megapixel CMOS camera. There is a fingerprint scanner. Thanks to him, no one can unlock the phone. Rain will not hurt the device, you can take pictures even under water. The memory volumes are modest: operational - 512 MB, native - 2 GB. The processor generates a frequency of 1.2 GHz. The device supports third-generation networks. There is a slot for a memory card (32 GB). The main display type is Full Wide VGA TFT. Size - 3.4ʺ.

Freetel musashi
Freetel Japanese clamshell phones will be of interest to customers. For example, the Musashi model is a smartphone that is equipped with two screens. They work alternately. Their size is the same - 4 ". The advantages include ease of use. The phone rests comfortably in the hand, the keyboard is convenient to use. Android 5.1 is installed in the device. The model supports fourth-generation networks. The platform is built on the Chinese MediaTek MT6735 processor. There are four computing modules. There are four of them. type - Cortex-A53. Frequency - 1.3 GHz. Mali-T720 accelerator is responsible for the graphics. This tandem of processors complements one gigabyte of RAM. 8Gb storage is provided for file storage. It is expanded by a memory card up to 128Gb. In the device Those are equipped with two slots for SIM cards. There is also a front and rear cameras. The resolution of the first is 2 Mpix, the second is 8 Mpix. The battery is capacitive. Its volume is 2000 mAh. For such a stylish phone you will need to pay about 16 thousand rubles.

NEC DOCOMO N-01G
Japanese clamshell phones are quite expensive. For example, NEC DOCOMO N-01G is sold for 25 thousand rubles. What characteristics does the manufacturer offer for the money? This model is so far the only one in the NEC Casio line. Its body is protected from moisture and dust. Also, the device is not afraid of falls from a height. Unfortunately, the phone’s specifications are hardly impressive. It implements a basic set of functions that have already been used before. Weak battery at 1010 mAh.

A simple screen with a diagonal of 3.4 "and a standard resolution. The external display is small - 0.8". Its capabilities are limited to the 96 × 39 px format. Type of matrix - TFT LCD. There is a slot for installing microSDXC format drives. The device works fine with 64Gb cards. There is one camera. The resolution of the module is 8.1 megapixels. The headphone audio jack is non-standard. Its format is Docomo. In order to connect a headset, you will need to use an adapter. The phone supports GSM, 3G and Bluetooth standards.