Verykool i607 - Manual (Page 9)

2 Security measures
2.1 Safety Precautions
When mobile phone use is prohibited or the use may cause interference or
danger, please do not turn on it, and turn off the automatic startup function.
Please read and follow the simple rules to prevent dangerous and illegal
use.
2.2 Use of the environment
When you take a plane the phone should be turned off, wireless devices
may cause interference in aircraft.
In the hospital should be powered off, the phone may make some medical
equipment (such as pacemakers, hearing aids, etc.) have an impact.
At gas stations, oil depots, chemical plants, where blasting operations or
near flammable materials and chemicals areas, do not use the phone.
Do not use mobile phones while driving, before using, you should stop your
car.
2.3 Fair Use
Just use your phone in the normal position.
When you connect it to other devices, please read the instructions for
detailed and safety actions, do not connect incompatible products.
Only qualified personnel can install and repair the phone.
2.4 Accessories and batteries
Use only the specified batteries and accessories.
The use of any unauthorized accessories may affect the phone's
performance, even lead to physical danger or in violation of state on the
relevant provisions of communication terminal products.
2.5 Data Backup
Please note that back up all important data, so as to avoid loss.
3 Getting used
3.1 How to install the battery
1. Open the back cover.
2. Insert the battery into the battery slot.
2