A problem in the Egyptian cashier
If a pound deposit does not show or a withdrawal is late: first check the payment method is in your name and matches the account, then message 1win support with the transaction ID, your currency and a screenshot from the cashier.
Cashback not credited
Check the 7-day window and your level (Bronze 1 for cashback, Bronze 2 for rakeback) then support with a screenshot from the loyalty section.
Escalation
After 1win’s channels, the licensing body; keep the complaint number.