Charter is contending with slowing broadband customer growth, defections from the cable TV bundle and a young, expanding mobile business.

Even customers who stay with their current Spectrum internet plan will get faster internet speeds, according to the company.

All Spectrum Internet and Spectrum Internet Ultra customers will have their internet speeds automatically increased by 100 Mbps each to 400 Mpbs and 600 Mpbs, respectively — a free upgrade, according to a Sept. 16 news release.

Many current Spectrum internet customers got an automatic speed upgrade. New Spectrum customers can get internet as low as $30 a month when bundled.