Free Upgrade from Old sim to Dialog 4G sim From Home and Win upto 5GB anytime data. here we go.
Step 1: Visit Dialog website Free 4G sim Upgrade Page
Complete the form and submit it
Few Days later you will receive a post from Dialog ( I got the sim in 5 days ). It contain a 4G sim , and Guides.
Step 2 : Activation method for upgrade to new 4G sim
From your old Dialog number Send SIM<space>PIN Message to 678
Sample : SIM 145585525882 to 678
after sent SMS the new sim is ready to use , Activation within 15 minutes.
But I got 1.5GB data for this Upgraded .