Romanized Bangla: ”Sadib”…Jodi apnar phone er Ram kom / old version OS / Cpu / kernal version kom hoy / phone slow hobe tai oi sob phone a Root na korai valo…. # Phone slow thakle & root kora thakle … Mobile on korle ‘android system is upgradeing’ notice asbe … ## 1st Root chaker diye try kore dekun apnar phone root ki na…thak le unroot korun… ### tarpor phone Hard reset korun / customar sarvice a giye notun kore system software install kore dekun…..