IPhone 5 A1429 iOS8.3 to open unicom 4G network

Pop: Apple pushed the iOS8.3 version a few days ago, the implementation of the free software only need to enter a password again convenient, just these days do not use cellular data on the Internet is the basic use of WiFi in the evening connection.

Because a little business needs to go to Shenzhen, open the mobile phone a look, how is 3G, always have no 4G, the use of Unicom Assistant also seems not. So I looked at the relevant data found that still can be done by other means to deal with the A1429 IPhone5 unicom 4G, hereby sorted here.

Alternate Effect Chart: http://oi60.tinypic.com/5ocys1.jpg

The IPhone 5 A1429 iOS8.3 realize Unicom 4G requirements as follows:

iphone Model: iphone 5 U.S. version v A1429 White 16G (theoretical CDMA version of the iphone 5 A1429, such as the port version, the National Bank)

Need equipment: A normal China Telecom CDMA card

Test location: Dongguan (Shi Jie, dongcheng)

Test effect: Pop test is effective, can indeed Unicom 4G (shutdown after the switch on the base station also line)

Specific steps:

1, OTA online installation "GPP 3to2" This mobile phone-side iOS software (support iOS 6/7/8)

iphone in connection with WiFi, with the mobile phone with the Safari browser, direct input 3to2.china3gpp.com for online installation patches. (Alternate address: gpp3to2.china3gpp.com)

The use of "GPP 3to2": This was originally intended for use with 3G, 4G SIM users in order to force a patch in 2G mode.

2, in the ready to switch to the telecom CDMA SIM card

3, click on the Mobile desktop "Gpp3to2" icon, and then click "Trust" to enter the patch. Then click on "Open Patch/path" to make it prompt "to 2G OK" (if not prompt, please close the patch, repeat operation).

4, then dial *228 until the phone is automatically hung up

5, open the iphone "Settings"-"cellular mobile data" to find "data roaming", the inside of the three roaming options are closed

6, shutdown, and then load your own Unicom card can enjoy the high-speed 4G of Unicom.

Note: iphone5c and so on please only for reference.