You should have Springboard/Winter board if you have downloaded Cydia.
Step 1. Press the top button on your iOS Device for about 5 seconds.
Step 2. Slide the button to power it off.
Step 3. Spring/Winter board will be restarted, and you can use Cydia again.
You can also do it an easier way if you have SB Settings installed. However it may not work 100%.
Step 1. Access your SB Settings screen.
Step 2. Press the "Respring" button so that your iPod Touch manually resprings itself and comes back on.
(This is MUCH faster than restarting your iPod, but in some cases you may have to do it that way)
Step 3. Wait for it to load. Instead of waiting for about 5 minutes, you'll only have to wait 1. Cydia should be fixed, but if not then use the other method.
Here's How to Fix "Hash Sum Mismatch" Cydia Error ?Step 1: Try to reboot your jailbroken iPhone and restart Cydia (turn off your device through the power button and turn it on again ) then try to download the tweak again if this step doesn't resolve the issue, try Step 2Step 2: Reset your network settings by tapping "Settings" -> General -> Reset ->Reset Network Settings. Also, reboot all your hardwares, including your iOS device, modem, and router. This is to ensure you have better Internet connection.Step 3: Make sure that you have updated your Cydia, Also make sure that all packages are up to date, Launch "Cydia" -> "Changes" -> "Refresh" then update any available update.Step 4: after all the above steps if the error still appears so it's better to uninstall the repo that containing the Cydia tweak then try to install it again.Step 5: iF the error still appears so you should restore your iPhone and install a new CydiaThat's it. Please let us know which step solves your "Hash Sum Mismatch" Cydia error problem.
Cydia zebeana was created in 1840.
If It is erased from the 3.53% chance from a Tethered JAILBREAK, it is impossible if you do not have cydia or another download source. -Anthony Zaleski
you get cydia by going to cydia download ipod touch thanks ]
because you need to reinstall cydia
Cydia inquinatana was created in 1799.
Cydia nigricana was created in 1794.
Cydia curiosa was created in 2009.
Cydia leucostoma was created in 1912.
Cydia kurokoi was created in 1960.
Cydia indivisa was created in 1963.
Cydia glandicolana was created in 1968.