1. klutzykh's Avatar
    I updated my galaxy s4 with the over the air update a few days ago. I cleared the cache and did factory reset...

    Messages now wont send....I have to restart phone and hope they send. ... my battery life also sucks. How do I downgrade to a previous operating system or fix these issues

    Posted via Android Central App
    05-04-2014 11:18 PM
  2. mobilecrackers's Avatar
    you cannot downgrade due to bootloader lock and also it will damage the EFS folder
    may be the messaging settings have been change
    go to message--> settings
    05-05-2014 02:25 AM

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