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Safety use:
GBV4000 has an increased resistance. However, it
is not mechanically undestroyable.
The display is made of tempered glass, which
ensures higher resistance. When dropped on a
hard surface or sharp object, it may crack. The
display cracked due to mechanical damage or
improper misuse of the device is not covered by
warranty.
The GBV4000 has the IP68 certification under
EN60529:1991+A1:2000+A2:2013 standard.
(According to producer 1 m depth for 30 minutes.
IP68 resistance does not apply to salt water.)
The IP68 protection does not guarantee 100%
resistance to water in all conditions.
We also recommend that you let your phone dry
after contact with water or other liquid.
The warranty is not applied to an intentional
damage to the phone.
Installing SIM MICRO and SD cards
Before the cards are installed, the phone must be
turned off.
1. Remove the back cover of the phone (only
attached but not screwed).
2. Remove the battery of the phone and also
remove protective film that overlaps the contacts.
3. You can use 2 MICRO SIM and 1 Micro SD on
the GBV4000.
