Cellular phone users are being warned their devices will be inoperable over the next few days after a hotline to allow members of the public to pass a message on to President Trump proved hugely popular.

A initial invitation to call a fundraising hotline to thank President Trump for all he has done was extended without incident, but a rebuttal hotline inviting people to say “F**k You” instead pushed all the major carrier’s networks to breaking point.

“The infrastructure survived the launch of the first campaign easily, but the minute the second one went live – BOOM!”

Telecom engineers predict it may be many days before normal service is resumed, given the extend of the damage.

“Landlines favored by elderly crotchety voters in rural areas seem to be fine though.”