Redmi Note 9 is set to go on sale again in India today. The Redmi phone that was launched in July will be available for purchase through Amazon and Mi.com. Key highlights of the Redmi Note 9 include a hole-punch display design and quad rear cameras. The smartphone also comes with up to 6GB of RAM as well as offers 22.5W fast charging. The Redmi Note 9 competes with the likes of Samsung Galaxy M11 and Moto G9.Redmi Note 9 price in India, sale detailsRedmi Note 9 price in India starts at Rs. 11,999 for the 4GB + 64GB storage option. The phone also has a 4GB + 128GB storage variant at Rs. 13,499 and the top-of-the-line 6GB + 128GB model at Rs. 14,999. The Redmi Note 9 comes in Aqua Green, Aqua White, Pebble Grey, and Scarlet Red colour options. Moreover, it will go on sale at 12pm (noon) today through Amazon and Mi.com.Redmi Note 9 specificationsThe dual-SIM (Nano) Redmi Note 9 runs on MIUI 11, based on Android 10, and is upgradable to MIUI 12. The phone features a 6.53-inch full-HD+ (1,080×2,340 pixels) Dot Display (company speak for the hole-punch design). The display comes with a 19.5:9 aspect ratio and comes with a Corning Gorilla Glass 5 protection on top. Under the hood, the Redmi Note 9 has an octa-core MediaTek Helio G85 SoC, along with 4GB and 6GB of LPDDR4x RAM.In terms of optics, the Redmi Note 9 flaunts the quad rear camera setup that houses a 48-megapixel Samsung ISOCELL Bright GM1 primary sensor, with an f/1.79 lens. The camera setup also has an 8-megapixel secondary sensor with an f/2.2 ultra-wide-angle lens as well as a 2-megapixel macro shooter and a 2-megapixel depth sensor. The phone also comes with a 13-megapixel selfie camera sensor at the front.The Redmi Note 9 comes with up to 128GB of onboard storage that is expandable via microSD card (up to 512GB) through a dedicated slot. There are usual connectivity options, including 4G VoLTE, Wi-Fi, and a USB Type-C port. The phone also carries a rear-mounted fingerprint sensor. Besides, it packs a 5,020mAh battery that supports not just 22.5W fast charging but also 9W reverse charging.Is Redmi Note 9 the perfect successor to Redmi Note 8? We discussed this on Orbital, our weekly technology podcast, which you can subscribe to via Apple Podcasts, Google Podcasts, or RSS, download the episode, or just hit the play button below.Affiliate links may be automatically generated – see our ethics statement for details.