Sync Firefox Bookmarks using Dropbox

1. Navigate to your Dropbox folder and create a new folder titled: FirefoxBookmarks 

2. Launch Firefox. In the address bar, type about:config

3. Scroll to: browser.bookmarks.autoExportHTML > set value 'true'

4. Add a new string value named browser.bookmarks.file and add value as path to html folder
     e.g. D:\Dropbox\FirefoxBookmarks\bookmarks.html

5. Add/Edit any bookmark and restart Firefox.

Reset Cydia (If Cydia gives problem while loading or not showing any repo/packages)

1. Download iExplorer or WinSCP (Windows) 

2. SSH onto your phone using the above application 

3. Navigate to /var/lib/cydia/ and delete the metadata.plist.(This will remove all ur added source inside cydia and reset them to original one, so please kindly add back ur source after that).

4. Delete /etc/apt/sources.list.d/cydia.list 

5. delete anything inside /var/lib/dpkg/updates/* (dont delete the folder) 

6. Reboot ur iphone and open cydia.. u are done.. u got a fresh new cydia..