I've searched forums, videos, and magazines and finally pulled the trigger on this unit because of the price and return policy. I've had it for a few months and couldn't be happier.If you've done any research, this is the head unit you've been looking for; it does all of things you're wondering about.If you haven't done any research, this unit is direct plug and play. It maintains steering wheel controls, it maintains the factory camera (easily), and has both wired and wireless carplay/android auto - it even maintains the OEM USB port for wired connection.It's very easy to install, but you will need some trim removing tools (search for Poraxy trim removal and get the cheap set). After that, four screws and some unplugging and replugging and it's done. I think anyone could knock it out in an afternoon, it took me and hour or so. No wires to cut, no wires to run through the firewall, it really is simple.A few caveats I found during the install:If you follow the included instructions, you will end up with an ABS fault light on your dash. When you get to the part of the install where you remove the hazard lights button, you also have to pull the airbag light out of the removed trim piece and plug it back into the connector and stash it behind the unit. You won't notice any light bleed and it's safe back there (tape it if you want some extra precaution). If you have a good ABS capable OBD2 reader, you're good (bonus points for a Bluetooth reader and the Torque app).The OEM camera is easy to get working with the included instructions, just know it gets a little blurry on the much larger screen as the resolution is setup for the smaller screen Nissan provided. It's still easily usable and works fine, just not as crisp as the OEM screen. Another user has said the OEM camera has better quality than the included aftermarket camera, so best to stick with the original camera to keep the install straightforward.If you're thinking about cost savings, I would strongly discourage going for any less RAM. This unit does fine, but if you have more than 5 or 6 apps open, it can start slowing down - you only need a couple apps open at a time so no big deal for this unit. 2 gigs of RAM would be terrible in my opinion.The integrated mic on the unit is terrible so if you're going to take calls in the car, use the included external mic and set it up somewhere in your car or be prepared to grab your phone for calls.If you're exclusively going to use carplay/android auto navigation through your phone, skip the step about mounting the GPS brick - stash it with the air bag light.The A/C vent area of the head unit is a slightly glossy black that doesn't exactly match the rest of the interior. If you're building a show car, it might be enough to reconsider, but no one else will ever notice.The Bluetooth gets 4 stars right now. If you remote start your car, like I do in the winter, sometimes it has issues with the wireless connection if you get too far from the car and then come back into range. I usually just plug it in to the USB, but restarting the car will fix it as well. I also have a cheap OBD2 BT reader (like $20 cheap) that can be finicky with the connection, but that's probably a problem with the reader itself.I do suggest in investing in a reader and setting up the Torque app. For ~$30, you get engine fault codes and diagnostics on screen. You can also set up extra dials on the screen to display things like detailed RPMs, engine temps, etc.It has a digital parking-break bypass, if you know you know. Check your local laws if you end up using this feature.It runs a very stripped down version of Android 12; no bloatware or any extra apps that I felt like I needed to uninstall. I have been able to side load some apps, so that's there of you're interested; however, at 4 gigs of RAM, don't expect it to push anything processor heavy.All in all, it's worth the money. Customer service is great, they walked me through some questions and sent me extra diagrams I had requested. Install is beginner friendly and a great way to make a huge improvement for your Altima.