Aquos K SHF31 - Smartphone SHARP - Free user manual and instructions
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| Product type | Smartphone |
| Brand | Sharp |
| Model | Aquos K SHF31 |
| Display | 4.5-inch Full HD IGZO capacitive touchscreen |
| Resolution | 1920 x 1080 pixels |
| Operating system | Android 4.2 Jelly Bean |
| Processor | 2.2 GHz quad-core Qualcomm Snapdragon 800 |
| RAM | 2 GB |
| Storage | 32 GB internal; microSD slot up to 128 GB |
| Battery | 2600 mAh internal lithium-ion cell |
| Rear camera | 13-megapixel autofocus with LED flash |
| Front camera | 1.2-megapixel fixed-focus |
| Connectivity | 4G LTE, Wi-Fi 802.11ac, Bluetooth 4.0, NFC, infrared |
| Water and dust resistance | IPX5/IPX8 water resistant and IP5X dust proof |
| Sensors | Accelerometer, gyroscope, proximity, ambient light, compass |
| Dimensions | Approximately 137 x 67 x 9.9 mm |
| Weight | Approximately 150 g |
| Main features | Waterproof design, high-brightness IGZO display, enhanced low-light camera, digital TV tuner, mobile wallet support |
| Care and cleaning | Wipe with a soft dry cloth and keep all ports closed before any contact with water. |
| Safety considerations | Operate within 0-35°C, do not expose to fire, and keep away from metal objects and magnets. |
| Spare parts and repairability | Only authorized Sharp service centers may open the phone; original spare parts are available through official support. |
| General information | Released in 2013; original user manual can be downloaded free in PDF from the manufacturer website. |
Frequently Asked Questions - Aquos K SHF31 SHARP
Is the Sharp Aquos K SHF31 waterproof?
Yes, it has IPX5/IPX8 water resistance, so it can withstand low-pressure jets and continuous submersion under certain conditions. Make sure all flaps are tightly closed before exposure.
How do I perform a factory reset on my Aquos K SHF31?
Go to Settings > Backup & reset > Factory data reset, or press and hold Power and Volume Down in recovery mode. Backup your data first. Note that factory reset erases all personal content.
Can the battery be replaced?
No, the battery is internal and non-removable. A replacement must be done by an authorized Sharp service center to preserve water resistance.
What type of SIM card does it use?
The device uses a micro-SIM card. Open the SIM slot carefully and insert the card with the gold contacts facing down.
How much storage is available and can I expand it?
The phone has 32 GB internal storage. It supports microSD cards up to 128 GB, which can be installed in the separate memory card slot.
Does the SHF31 support fast charging?
There is no official fast-charge feature in the original Android 4.2 software. It charges normally through the magnetic charger or microUSB adapter. We recommend using the original charger.
How do I take care of the display?
The screen is made of scratch-resistant glass with an oleophobic coating. Wipe it gently with a dry microfiber cloth; avoid solvent-based cleaners and abrasive materials.
Can I connect the phone to a TV or remote control?
Yes, the built-in infrared port lets you use the phone as a remote for compatible TVs. You can also share media using DLNA or Miracast over Wi-Fi.
Which Android version is installed and can I update it?
It ships with Android 4.2 Jelly Bean. To check for updates, go to Settings > About phone > Software update. OTA updates are no longer guaranteed for this legacy device.
How do I prevent water damage?
Always close the microSD/SIM slot cover and the charging port flap before exposing to water. After use, gently dry the device with a cloth and leave it at room temperature.
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USER MANUAL Aquos K SHF31 SHARP
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Product information
Brand : SHARP
Model : Aquos K SHF31
Category : Smartphone