Straight Talk Samsung S390g How to Disable Key Lock
If you find the keylock on the Samsung S390g as annoying as I do, then perhaps you want to disable it ASAP. Scrolling through the menus it's not immediately evident how to do it so here is a how to showing you how to disable the factory enabled Key Lock.
1. Go to the main menu by pressing left soft key below the word Menu
2. Scroll to Settings
3. Select Phone
4. Select Auto Key Lock
5. Chane it to Off