Being a Zing telecom customer, I used to get very low internet speed then I just changed my apn settings and I suddenly saw the difference in the internet speed. Follow the tutorial to get it in yours.
Zing Wireless Apn Settings For Android Mobile Phone
For an android user, just follow this path:
Settings > More > Cellular/Mobile Network > Access Point Names > + (to add)
| Apn Settings Name | Apn Internet Settings |
| Name | Zing Wireless |
| Apn | pwg |
| Proxy | not set |
| Port | not set |
| Username | not set |
| Password | not set |
| Server | not set |
| MMSC | http://pwg.mmsmvno.com/mms/wapenc |
| MMS proxy | not set |
| MMS port | not set |
| MCC | 310 |
| MNC | 260 |
| Authentication Type | not set |
| Apn type | default,supl,mms |
| Apn protocol | Ipv4 |
| Apn roaming type | Ipv4 |
| Enable/disable apn | APN enabled |
| Bearer | Unspecified |
| MVNO type | none |
| MVNO value | not set |
Zing Wireless APN Settings For iPhone
For an iPhone user just follow this path:
Settings > Cellular > Cellular Data Network > APN
Cellular Data:
| Cellular APN Name | Cellular APN Settings |
| APN | pwg |
| Username | Blank |
| Password | Blank |
LTE Setup (Optional):
| LTE APN Name | LTE APN Settings |
| APN | Blank |
| Username | Blank |
| Password | Blank |
MMS Data:
| MMS APN Name | MMS APN Settings |
| APN | pwg |
| Username | blank |
| Password | blank |
| MMSC | http://pwg.mmsmvno.com/mms/wapenc |
| MMS Proxy | blank |
| MMS Message Size | 1048576 |
| MMS UA Prof URL | http://www.apple.com/mms/uaprof.rdf |