premise: How to remove ads from pandora<br>Install the adblock plus extension in your web browser of choice. Your browser will be automatically detected and displayed in the " install " button on the website. [substeps] In order to use ad blocking software on a mobile device, you must first root or jailbreak it.
hypothesis: Ad blocking software never successfully installs on an iPhone.
reason: The context says ad blocking software can be installed on a jailbroken iPhone.