HK must be near the top in terms of 4G penetration
Latest data from the Gov shows
17,194,291 SIM cards (many probably defunct)
9,647,173 3G SIM card customers
2,207,119 4G SIM card customers
Given that each Taxi has 9 phones that only leave 2 each for the rest of us. Phone, blackberry or tablet
Young love wechatting