There might be several reasons for not being able to read novels on a mobile phone for a month: 1. The payment method of mobile phone bill may not support the function of reading novels. You need to choose a payment method suitable for mobile payment such as credit card, AliPay, WeChat, etc. 2 The region you are in may not support the service of reading novels on mobile phones. You need to choose another region or service. 3. The mobile phone monthly service may have expired. You need to choose a suitable monthly service again. 4. The phone may not support reading novels. You need to change to a phone that supports reading novels or update the phone software. If the mobile phone bill is not supported, it is recommended to contact the mobile phone operator or customer service to consult the specific reasons and choose a suitable payment method again.