Oreo update is now available to some countries and soon will be available for all

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1_ use a black theme ..this will save a lot for u ..im using (blac ui) theme2_ uninstall all un necessary apps..and put the rest in sleep mode except apps that u r using continuously 3_ brightness  .use 25% of the brightness.. 40 maximum4_ make the ...

https://youtu.be/NNeJR14kgTYNew Android is coming soon for other devices...and we didn't get Oreo update yet

we will get it after the new Android (9) release to the other phones