boom! 4G APN settings

boom! RED APN Settings 

Name: Verizon

APN: you can use either internet or vzwinternet

Proxy: <Leave in Blank>

Port: <Leave in Blank>

Username: <Leave in Blank>

Password: <Leave in Blank>

Server: <Leave in Blank>

MMSC: http://mms.vtext.com/servlets/mms

MMS proxy: <Leave in Blank>

MMS port: 80

MCC: 310

MNC: 012

Authentication type: <Leave in Blank>

APN type: internet + mms

boom! BLUE APN Settings 

Name: ATT HSPA+
APN: phone
Proxy: Leave in Blank;
Port: Leave in Blank;
Username:  Leave in Blank;
Password:  Leave in Blank;
Server: Leave in Blank;
MMSC: http://mmsc.mobile.att.net
MMS proxy: proxy.mobile.att.net
MMS port: 80
MCC: 310
MNC: 410
Authentication type: Leave in Blank;
APN type: default,supl,mms,hipri
APN Protocol: Leave it to the Default one
Bearer: leave it to the Default one

boom! YELLOW APN Settings 

APN Name: Sprint
APN: cinet.spcs
Proxy:   
Port :   
Username    
Password    
Server    Not set
MMSC    
MMS Proxy: 68.28.31.7
MMS Port:    
MCC: 234
MNC: 15
Authentication Type    
APN Type: default
APN Protocol: IPv4
APN Roaming Protocol    
Bearer    
MVNO Type

if your carrier allows you to view the APN settings, you can find it on your device under these menus, according to Apple's support document:IOS APN Location

  • iPhone: Settings > General > Network > Cellular Data Network
  • iPad: Settings > Cellular Data > APN Settings

Android APN Location

Go to Settings > Wireless & Network > Mobile Networks > Access Point Names

Android and iOS APN Setting

Another resource for both iOS and Android devices is the APNchangeR project, where you can find cellular carrier settings or prepaid data info by country and operator.

*If these steps didn't restore your data, please follow these steps. 

1. Remove SIM

2. Delete all APN's

3. Power off and do NOT insert SIM (leave off for 20 minutes)

4. Power on WITHOUT SIM

5. POWER OFF

6. Reinsert SIM power on.

This will force a PRL update and should install the APN automatically

*Note:  rooted phones may have an issue with editing the APN