My Galaxy S3 works SLOW and doesn't have a GALARY.

[plettdoctor]

My Galaxy S3 is SLOW, STALLS on phone calls and the Gallery doesn't exist . I cannot find android 4.2.2 ANYWHERE to download. Can anybody advise where I can download android 4.2.2 ? I want to totally REMOVE 4.3 and reformat and get 4.2.2 back onto my phone.
My carrier is VODACOM (prepaid) South Africa

 

[B. Diddy]

Welcome to Android Central! Try here: Firmwares - SamMobile

 

[AnDROID_Ops]

Just get 4.4.4

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