Dear Valued Customer,

We would like to inform you that O2 engineers will be conducting an essential upgrade to a core node within their infrastructure.

Start Date and Time: 27/05/2025 21:00

End Date and Time: 28/05/2025 04:00

APN(s) affected: zest4.com

During the scheduled maintenance window, there is an estimated downtime of 30 minutes.

We anticipated any service interruption will commence between 22:00 (UTC) – 23:00 (UTC).

Kindly note that the times provided are in UTC.

We appreciate your understanding and continued support.

Kind regards,

Customer Engagement Team  

If you have any concerns or queries, please contact the Customer Success Team using the following details: +44 (0) 1279 799270 or support@arkessa.com and quote ticket reference #1953868.