Vodafone’s explosive claims about Telstra overstating its network credentials, are you paying too much for your SIM-only plan, we share our first impressions of Samsung’s new super thin S25 Edge smartphone, we check out Sony’s new noise cancelling headphones, we take a look at  Samsung’s Neo QLED 8K smart TV, Huawei unveils its new Watch Fit 4 smartwatches and we’ll answer all your questions in the Tech Guide Help Desk.