Problem: How to use uber with an international phone
Connect your phone to the internet.
You will need either a wi-fi or cellular data connection to use the uber app. As long as uber is available at your travel destination, the uber app will work the same as it does at home.

Answer: Update your mobile phone number in the uber app. If you are using a different number during your travels ,.

Problem: How to safely use an atm
Chose atms that are well-monitored and well-lit.
Visit an atm that is in a well-lighted area, or one that is monitored by surveillance cameras or security personnel. This is true of both indoor atms and drive-up atms.

Answer: If possible, try to use during daylight hours. Drive up atms are often safer than walk-up atms because of the privacy and safety of your vehicle and locked doors.

Problem: How to know the best sites in australia
Understand the size of australia.
The country of australia is comparable in size to the usa between the atlantic, pacific , 54th parallel and the rio grande. Europe will fit easily into australia with room leftover.
Answer: Understanding australia as a country will help you navigate around it. Be prepared to travel long distances between major attractions.