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6.5 Internet issues
Android system fails to surf
the internet
Notebook can surf the
internet after
connecting the network
cable
`YES
Whether it can log in
router normally?
YES
Choose router and
restore factory
settings
NO
Replace router
module
Whether the mode of
internet and wires
connection are correct
YES
YES
NO
Use a notebook
substitute the IFP to
check that whether
network is ok
Re-upgrade Android
system
Replace TV main
board
YES
YES
NO
Restore router
’
s
factory settings
Replace router
module
NO
NO
