In your Gamma Telecom Android Smart Phone Home Screen
Go to Settings – > Network & Internet -> Mobile Network – > Access Point Name
tap the + button to Add new APN…….
And Enter the Following Details
| Name | Gamma Telecom |
| APN | gamma.co.uk |
| Proxy | Not Set |
| Port | Not Set |
| Username | Not Set |
| Password | Not Set |
| Server | Not Set |
| MMSC | http://mms.gamma.co.uk/servlets/mms |
| MMS Proxy | 164.39.236.69 |
| MMS Port | 80 |
| MCC | Leave the Default Value |
| MNC | Leave the Default Value |
| Authentication Type | Not Set |
| APN type | default,supl,mms |
| APN protocol | Ipv4/IPv6 |
| APN roaming protocol | Ipv4 |
| APN Enable/disable APN | APN Enabled |
| Bearer | Unspecified |
| MVNO type | None |
| MVNO Value | Not Set |
Now Save the Settings
Make this settings as Default
Now Go back
Tap the -> Preferred Network Type and enable 4G/LTE