The new Lenses feature in Snapchat is only available on the iPhone 5 model and newer. If you have an iPhone 4 or 4s, you won't be able to use Lenses, even if Snapchat is up to date. The Lenses feature will not work on the iPod 5th Generation or older, or the iPad 2 or older. If your older device is jailbroken, you may be able to enable the Lenses feature by installing a small Cydia tweak. Click here for detailed instructions. You can find the button for the App Store on one of your Home screens. This can be found at the bottom of the screen. If Snapchat is not listed here, there is no update available and you are running the most up-to-date version. The Snapchat update will begin downloading immediately. It may take a few minutes to download and install. You can start Snapchat from the App Store page or by tapping the app on your Home screen. When you update Snapchat, the new features may not be enabled by default. You can turn them on in your Snapchat Settings menu. Tap the Snapchat icon at the top of your Camera screen. This will open your profile. Tap the Gear button in the upper-right corner. Scroll down and tap "Manage". You can find this in the "Additional Services" section. Toggle the sliders for each of the features you want to enable. If you're using a newer iPhone and have updated Snapchat, you can apply special lens effects to your Snaps. Press and hold your face to access the different lens options. Click here for more detailed instructions. Some users have reported problems getting Snapchat to complete the update process. When this occurs, the app disappears from the Home screen and the update stalls. Open the Settings app for your device. Tap "General" and then "Usage" or "iCloud & Storage Usage." Tap "Manage Storage" in the "Storage" section. Tap Snapchat in the list of apps and then tap "Delete App". Reinstall Snapchat from the App Store.
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One-sentence summary -- Update Snapchat on an iPhone 5 or newer to get Lenses. Open the App Store to check for Snapchat updates. Tap the "Updates" tab. Find "Snapchat" in the list of "Available Updates." Tap the "Update" button. Start Snapchat. Enable extra features. Access the new Lenses. Troubleshoot upgrade problems.

The room shouldn't be cold enough that it gives your baby shivers. Also, the water should be comfortably warm, but not too warm. Test it on the inside of your arm to make sure it's comfortable. You should have all the supplies you need at hand. In fact, make sure they are within reach so you don't have to step away from your baby. Plus, you should take off any jewellery you don't want to get wet or that could scratch your baby. For a sponge bath, you'll need a flat surface in a warm area, along with something for your baby to lay on, such as clean towel or blanket. You'll also need a basin or sink to hold the warm water, along with all the supplies you'll need for a regular bath, minus the bathtub. For a regular bath, you'll need a place where you can bathe your baby, such as a baby bathtub or even a sink with a washcloth in the bottom. You'll also need a washcloth, mild soap, mild baby shampoo, and a towel. Don't forget the clean diaper and clean clothes. It is never safe to leave a baby alone in a bathtub or on a flat surface like a counter. Make sure you are always right there, and if you are giving a bath to a baby on a counter, make sure you keep a hand on your baby at all times. It only takes an inch of water to drown a baby, and it can happen in under a minute. If you're giving a sponge bath, the baby could easily roll off the counter, injuring him- or herself. If you're doing a sponge bath, place your baby on his or her back on the flat surface. If you're using a tub, undress your baby, then gently lay your baby down in the water on his or her back, putting your baby in feet first. Make sure you keep your baby warm by pouring water over him or her throughout bath time, if your baby is in a bathtub. For a sponge bath, you don't need to completely undress the baby because you'll only show what needs washing at the moment. Start with the face, rinsing it with clean water only. Move on to the scalp. Use a little baby shampoo in your washcloth or hand, and gently rub it into the scalp. Use water to rinse it out, or ring out the washcloth with clean water. Rub it over the scalp to clean off the shampoo. Use a mild soap to wash the rest of your baby's body. For a boy, gently wash all around the penis without lifting the flap of skin. For a girl, wash from front to back without parting the vaginal lips. Rinse off any soap with a clean washcloth and water. At the end of the bath, make sure you've washed all the soap off the scalp by running your hand over your baby's head. Leaving soap on can cause dryness, which in turn may contribute to cradle cap. At the end, use a towel to gently pat your baby dry. Make sure the scalp is dry. You can apply a baby lotion if his or her skin appears dry. Put your baby in a fresh diaper and fresh clothes. As you lift your baby out, be sure to have one hand supporting his or her neck and the other under his or her bottom, as you wrap your fingers around the baby's thigh so you don't lose your grip.
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One-sentence summary --
Work in a warm room with warm water. Make sure you're ready. Stay with your baby at all times. Place your baby down. Wash your baby. Make sure your baby's scalp is clean. Dry off your baby.