Why is my data not working?

[Slashyou]

So i installed cyanogenmod 12 unofficial on my LG G3 D855 and my mobile data wont work and theres a ! on the signal bubble thing in the notficantion menu thing? i need my mobile data

 

[Slashyou]

Tried to wipe cache didn help though.

 

[belodion]

After the installation, did you make sure that all the APN settings are still correct on the device?

Posted via the Android Central App

 

[AzharB17]

Try and check your forum where you found the ROM and see if its a known issue, or else try a factory reset etc. Last resort may be a faulty sim card, but this 95% shouldn't be the case