Create Custom Firmware

base on

Set up custom parameters

Set up the title of the skt menu

Set up the tips content

Set up 20-bit ICCID

Updated Date:

Set up technical support content

Select firmware version you want

Log(v1.38):

1: Speed up the pop-up window

2: Auto pop-up settings menu when using at the first time

3: Support reseting once sim card changed

4: Support the pop-up setting of dialing '*' key in the emergency call

Log(v1.37):

1: Plug and play activation whithout setting for first use

2: Support IOS 12 devices such as iPhone 6( Jailbreak IOS 12,modify version number to newest IOS 13)

3: Support reseting once sim card changed

4: Support the pop-up setting of dialing '*' key in the emergency call

HEICARD SIM OTA

Tips content

89014104270225987584

Heicard Sim Professional