User's Guide
Manuals
Brands
Yulong Computer Telecommunication Scientific Manuals
Cell Phones
Smartphone (LTE/WCDMA/CDMA/GSM/BT/WIFI)
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1.
Swipe up on Hom
e button twice, and tap
Sett
ings
>
System
>
Advanced
>
System
Updates
>
Update
PRL
.
2.
Follow the onscreen ins
truction
s.
The phone will down
load and install the PRL
up
date and
you
will see a co
nfirmation when
complete.
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