Upgrade your SUN Sim to the Newest LTE SIM for FREE
Sun Cellular now offers free upgrade to your existing Sun Cellular Sim in which you can maintain the number that you’re using and its for free for everyone! The LTE capability will let your internet usage faster and much better experience when browsing the net.
You can avail this offer by just going to the nearest Sun Cellular center and ask for FREE upgrade of your existing SIM.
Currently the FREE upgrade is only available for prepaid subscriber.