Different to the U.S. ban the U.K. has a dimension limit as well, even for phones. And "surprisingly" no ban for flights from Qatar/UAE. Politics driven security at its best
IST-DXB-LHR-IAD and IST-TLV is fine to have a laptop in the cabin bag but IST-LHR, IST-IAD and DXB-IAD isn't fine for that. Weird.
Just waiting to see how long TLV takes to make nice with WAS.