Although the standard setting for the RSI is 70 (overbought) and 30 (oversold), I prefer to adjust the levels to 80 and 20. The purpose of this is to identify the extremely overbought/oversold regions.
In addition to adjusting the levels, I would pay attention to the chart when the RSI enters in the overbought/oversold region (but would hold back on entering a trade)
I would only enter a trade when the RSI turns down/up from the overbought/oversold region.
This would signal that the price is likely to fall/rise as the RSI reverses from the extremes and back within range.