Right, from the sounds of it, you have broken your phone and this is entirely your fault,
You also apparently do not have insurance, again your fault,
btw have you tried your home contents provider, also some premium and student bank accounts offer mobile insurance as part of the package.
Anyway assuming those are no go's and your phone can't be repaired at reasonable cost your pretty out of luck
Your airtime contract and the handset are two separate issues, you have no recourse to get out of your contract early due to damaging the handset and voda don't offer options to downgrade your tariff.
You have also hit at a bad time, until a few weeks ago voda used to offer the option to upgrade 6 months early (at a significant premium) however the uncompetivness of these deals confused customers and they were withdrawn
The mods also used to be able to offer earlier upgrades (upto one year) but I'm told there ability to do this was also withdrawn at the same time
I susspect a new offering will be rolled out shortly but for now your options (assuming no insurance)
1) Pay for your phone to be fixed
2) Buy a PAYG or Sim Free handset and use your contract sim in that, you can get some useable simple smartphones for between £50 and £100, and better ones if your willing to go 2nd hand.
3) Pay off your remaining contract (num months remaining * monthly fee not inc VAT ) with a 2% rebate
4) Continue to pay your contract until you can cancel/upgrade
Hi JoGrovesHartwellPike,
I’m sorry that you have found yourself in an awkward situation and that the store staff haven’t been very helpful in getting a resolution for you.
Unfortunately the earliest that you can upgrade is now 50 days before the end of your agreement and as such we wouldn’t be able to process an early upgrade until this point.
The best option would be to look at purchasing a cheap handset to keep you going for the next couple of months until you are able to upgrade where we would be able to look at a new deal for you.
Unfortunately we are very restricted to what we can do in these situations.
James
For each acount phone 191 and ask for the PAC
Once you have it you need to use it within 30 days
When you sign upto a new provider give them your code, your voda number will port to the new providers sim within a few days (no need to notify freinds and family of new number)
Voda will then close your acount and issue a final bill which will include the early ermination fee (no months remaining * monthly fee less 2%)
Dave
I don't get paid by voda and am free to put my point across anyway I please,
A software fault is a warenty repair, usually just a reflash,
from the way the OP worded it she has either dropped or submerged her phone, or damaged it in some way that it cannot be repaired,
Now in this case she is stuck for options, especilly as she dod ot just after voda pulled all of the early upgrade options, there's not much point in suggar coating it and most of the blame for her predicament lies with herself
Now that's a different story,
A fault like that may be covered under the manufacturers warenty, especially if it were a common fault / manufacturing defect,
the only way it wouldn't be is if the damage occured becasue the phone was dropped at some point or if the phone was older than 2 years
mind posting the phone model,
A warenty repair should be carried out for free
Hi JoGrovesHartwellPike85,
With the information you've provided brought to light, I'd be happy to look to see if the fault is user caused or covered by the Sony Ericsson manufacturer’s warranty. Reply to the PM I've sent you so that we can collect your details securely and a member of my team will get in touch.
You can find your PM inbox here. 
Cheers, Ben
