136
Message
Possible causes
Possible corrective measures
No
network
connection/
Losing
network
Signal is weak or you're
outside the carrier
network.
Move towards a window or into an
open area. Check the network operator
coverage map.
Operator applied new
services.
Check whether the Micro-USIM card
is more than 6~12 months old. If so,
change your Micro-USIM at your network
provider's nearest branch. Contact your
service provider.
Troubleshooting
