Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to change the colour of a blackberry curve 8520 [title] Buy a good quality housing case for you blackberry in the colour and pattern of your choice. [step] They are usually around £ 5-£ 10 or $10-$15. [title] Buy some phone opening tools as you will need them.

Ending1: [step] You can purchase them for around £ 20-£ 10. [title] Bring your blackberry on a training test. Ending2: [title] Buy some staplers sharp for outdoor conditions, and perhaps other cheaper tools. [title] Invest in a screen protector and paper protector and keep your blackberry compact unless you plan to broadcast audio. Ending3: [step] These tools are a precision pentalobe screwdriver an an opening lever. Please refer to sources and citations to find where these tools can be bought online. Ending4: [title] Learn the software version of blackberry setup. [step] For the pc they are about 50% software, £ 6-£ 8-£ 9 or £ 65 is the default but if you want the copyright protection of your blackberry from thieves you should learn the software version of the blackberry you own.

Answer format: ending1/ending2/ending3/ending4