Blockchain wallet app is functional on all the devices including iOS and android. In case, due to some technical error, any user is getting in trouble, they are suggested to take help from the team who is there to assist you. Call on Blockchain helpline number which is always active and users can talk to the team. The best quality of the team is whenever you reach them; they will always guide you with proper manner and gratitude. And, after gearing out the query, they make sure to deliver solutions which are easy.