The replacement for the iWL250 is typically the Move/5000 terminal. The Move/5000 offers enhanced features, improved connectivity options, and better performance compared to the iWL250. It supports various payment methods including EMV chip and PIN, magstripe, and contactless payments. Additionally, the Move/5000 provides a user-friendly interface with a touchscreen, robust security features, and the ability to handle high transaction volumes efficiently, making it a suitable successor to the iWL250.