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civilizations
Active Level 4

My friend's S9+ stuck to December 2018 Security patch since he bought it. Whenever he checked it says "your software is up to date" please help me resolve this problem.  Thank you. 

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Nelly81
Active Level 6
which android is it running
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civilizations
Active Level 4

Android 9 

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MittuVichu
Active Level 10
Try installing latest firmware manually.
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civilizations
Active Level 4

How do I do it please? 

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MittuVichu
Active Level 10
Download firmware from Sammobile and flash it with Odin. You can find lot of tutorials on YouTube.
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