Unlocking a mobile phone gives more advantages like access to all international GSM connections. Usability of more apps, etc., Unlocking a mobile phone wont cause any problem or side effects. Unless it is a safe method of unlocking. The safest and easiest method to unlock a mobile phone is to unlock using unlock code. An unlock code for a Blackberry 9780 can be acquired either from the respective network provider or from any reliable vendor online. For example you can get the unlock code for a BB 9780 from
www.unlocking4u.com/blackberry-9780-bold/rs6wp9/ at affordable cost.
Here are the steps for unlocking a Blackberry 9780,
1 - Switch on your Blackberry 9780 Bold
without any sim card.
2 - Turn on the phone and Go to
Manage Connections and select
Turn off all connections. All The wireless connections will be turned off.
3 - Go to
Options.
4 - Select
Advanced Options.
5 - Select
SIM Card.
6 - Press the following keys in order: (M) (E) (P) (E)
7 - A prompt will appear asking for the unlock code.
8 - Reboot your device.
9 - Re-enable the cellular radio
Also a Blackberry 9780 uses a regular SIM card only.