How do I modify a trade on the iPhone app for MT4? Client Service Team 29 July 2021 02:25 Updated Navigate to the ‘Trade’ tab, tap on the order you wish you modify, then select ‘Modify’. You will be prompted to input your Stop Loss or Take Profit details. Once these have been entered, tap ‘Modify’. Related articles How do I open charts on the MT4 iPhone app? How do I modify a trade on MT4 for Android? How do I add currency pairs to the Quotes list on my MT4 iPhone app?