Today, PS3 JB King firmware has been updated to V2.4 to support more games, see post here:PS3 JB King is upgradable now, PS3 JB King has been updated to V2.4
i have updated my PS3 JB king and wrote this guide, hope can help you guys. After update, everything is working great, and more games are available for playing now, as i said, if PS3 JB King is upgradable like the PS3 True Blue, i will recommend PS3 JB King because of its cheaper price, but same features. You can check more info from the official reseller here: PS3 JB King
How to update your PS3 JB King to V2.4
First, you need to know you have use a PC to update your PS3 JB King firmware. and this guide is for updating to V2.4, if new firmware releases in future, just use the latest firmware and same method to do the update, ok, let's get it started.
Depends on your PC system, you will use different driver files. If your PC is 32bit, then just use the "dpinst_x86.exe". If your PC is 64bit, you should use ""
After you choose the correct driver, double click to install it.
Notice: after you double click it, if it shows the updating progress, just always click the next steo to finish the update. If it doesn't show anything, no worry, just wait about 2 mins, it will update sliently.
Step3. After you install the driver, press the button which attached in the back of the PS3 JB King, press it tight and then insert the PS3 JB King to one of your PC USB interfaces.Do not loose your hand until you see "STM Device in DFU Mode" in the bottom right corner of your PC screen. And you will see "STM Device in DFU Mode" in your PC Device Manager. Which means the PS3 JB King has been connected successfully with your PC.
Click "Choose" and find the "jbking 2.4", choose the "upgrade2.4.dfu" and then click "Upgrade", it will start updating and wait until you see "Update successfully".usually it takea about 2 or 3 mins
Step7. After step6, you have updated your PS3 JB King with "upgrade2.4.dfu", then unplug your PS3 JB King from the PC, Wait 8 seconds, notice, you should wait about 8 seconds, then insert the PS3 JB King to the PC USB interface again,
Step8. This time you will do the step6 again, but choose the other update file "spi 2.4_upgrade.dfu" and then click "Upgrade", it will start updating and wait until you see "Update successfully" This update will take a little longer, about 5 mins, please be patient. dont unplug your PS3 JB King until you see "Update successfully" .
Step9. Unplug your PS3 JB King, If your PS3 has installed the PS3 True Blue or PS3 JB King V3.55 CFW, power on, check the system info, if you see the pic below, congratulations, your PS3 JB King is in the latest firmware,