Huawei smartphone users chewing on bad news about a US ban that could make their devices useless are being offered some “comfort food”. Mexican restaurant owner David Figueiras is giving free tacos to Huawei owners worried they could be caught up in the escalating US-China trade and tech wars. Washington has put the Chinese tech giant on a blacklist, prompting Google to ban Huawei phones from accessing Android software updates from May 15, 2019.