Captain Joe Root said it is “not a time to panic” after England were thrashed by eight wickets in the second Test by New Zealand.
The Black Caps wrapped up victory inside an hour on day four at Edgbaston to consign England to a first series defeat at home since 2014.
England face India in five Tests later this summer before trying to regain the Ashes in Australia this winter.
“We’ve massively underperformed,” Root told BBC Test Match Special.
“But we’ve got a lot of cricket still to play this summer and there is a lot of cricket to be played between now and the Ashes.
“We’ve just got to stay calm and trust what we’ve been doing for a long time now. That is going to be really important.”
Although England fought back with the ball to limit New Zealand’s first-innings lead to 85, they collapsed to 76-7 after tea on the third day before closing on 122-9.
“You can have bad sessions with the ball but you can’t have sessions like that…