NUU Manuals & User Guides

NUU (often known as NUU Mobile) is a designer and manufacturer of unlocked Android smartphones and mobile devices. Founded with the mission to provide advanced technology at accessible prices, NUU produces a range of devices including the N-series, X-series, and B-series smartphones. Their products are designed to be compatible with major GSM networks, offering consumers the freedom to choose their carrier without being locked into contracts.

The company emphasizes user-friendly features, such as dual SIM capabilities, expandable storage, and long-lasting batteries. NUU's device portfolio caters to various market segments, from entry-level users needing basic functionality to power users seeking 5G connectivity and higher refresh rate displays. Based in the United States and Hong Kong, NUU focuses on quality customer support and reliable hardware.

• How do I insert the SIM card into my NUU smartphone?

  Most NUU phones use a SIM tray located on the side of the device or under a removable back cover. For tray models, use the strict pin ejection tool to pop the tray out. For removable back models (like the N13), pry the cover off at the indentation, remove the battery if necessary, and slide the SIM into the designated slot matching the diagram.

• Does my NUU phone support MicroSD cards?

  Yes, many NUU models such as the N13, N10, and X10 support expandable storage via a MicroSD card. Ensure the phone is powered off before inserting or removing the memory card.

• How do I take a screenshot on a NUU phone?

  On most NUU Android devices, you can take a screenshot by pressing and holding the 'Volume Down' and 'Power' buttons simultaneously for a few seconds.

• What should I do if my NUU phone is overheating?

  If your device becomes overheated, stop using high-performance apps, disconnect the charger if pluggged in, and move the device to a cooler environment. Extended use of the camera flash or screen at high brightness in direct sunlight should be avoided.