age verification

[zarabooo]

hi i have had my phone and sim card for about ten years ,im with vodafone been texting back availabilty and chat booking codes for the past 3 years no trouble ,then all of a sudden could not text back to aw ,been on to vodafone who tell me there is no barr of any kind on my phone ,still can not text back ,i know aw are trying to help me ,but has anyone else had the same trouble and why now after so long xxx