If the battery has not been used for an extended period of time, recharge it before use.
Use the power adapter to charge E5776 device
Note: Only use chargers compatible with the Mobile WiFi E5776 and provided by a designated manufacturer. Use of an incompatible charger or one from an unknown manufacturer may cause the Mobile WiFi to malfunction, fail, or could even cause a fire. Such use voids all warranties, whether expressed or implied on the product.
The power adapter is an optional accessory. If it is not included in the package, you may contact an authorized dealer to buy an adapter compatible with the Mobile WiFi.
Charge the device through a computer connection
Use the data cable provided with your device to connect the Mobile WiFi 4G wireless router to the computer.