Personal Plans – JT Guernsey JT OneOne plan. Plenty of reasons to switch.Get a £150 switching bonus, 3 months free, free connection and so much more when you sign up to JT One Ultra. Build your plan > SAVE UP TO £1,111 VS SURE* WHEN YOU SWITCH YOUR BROADBAND AND LANDLINE TO JTSwitch Now > BLOOMING BRILLIANT DEALS ON THE LATEST TECHShop JT's BIG Deals > Guernsey Fibre is here Make sure you’re one of the first to enjoy some of our fantastic fibre offers.  Find out if your home is Fibre ready > JT One Bundles Unlimited Broadband Fibre Broadband JT Total Wi-Fi Shop Pay Monthly Pay As You Go Roaming 5G JT Apps Sustainability Help & Support Events