The iPhone 17 Pro.Photographer: Eric Thayer/BloombergApple is planning a series of upgrades to its satellite features for the iPhone and its smartwatches. Also: The company is nearing a $1 billion-a-year deal to power a revamped Siri with a custom Google Gemini model, and Apple is readying the first low-cost MacBook in a bid to compete with Windows laptops. Last week in Power On: Apple is set to kick off its 50th anniversary with the first $140 billion quarter....