Question 6
a) State two functions of the backup battery in a mobile phone.
b) State the function of each of the following codes:
(i) *#06#;
(ii) *#05#.
None of the candidates could give two functions of the backup battery as well as the function of code *#05# but most candidates provided correct answer to code *#06#.
Observation
The expected answers are:
a. Backup battery
Any correct 2
- powering 'on' of phone
- keeping / maintaining the phone memory settings e.g. time, date etc
- enables charging system of phone.
b. Codes
(i) *#06#: To check the IMEI of a GSM phone.
(iii) *#05#: Brings out some hidden information (like SIM blocked, enter PUK when a phone has its SIM card blocked).