Overall trend reversal can happen only if it closes above 1.5160 level.
On the downside minor support is around 1.4800 and any break below will drag the pair further down till 1.4690/1.4630.
Indicators (Weekly chart)
(50) - Buy
(14) - Buy
Recommendation: Sell GBP/USD around 1.4935 SL 1.5051, Target 1.4655.