There is a lot of glitches with using a phone for ebay
If it is not too late you can retract the highest bid by http://offer.ebay.com.au/ws/eBayISAPI.dll?RetractBidShow
If there is more than 12 hours to go you vcan retract the bid if it is less than 12 hours then it can not be done unless the bid you want to retract was done within the hour
Contact the seller and advise them what has happened as well.