Hi there, thank you for sharing your thoughts with us about your Samsung Galaxy A14. We understand how important all of your phone calls and correspondence are as well as the functionality of your device in crucial moments. Here at Samsung we do everything we can to provide a lineup of devices to meet everyones needs, wants, and budget for their device. We have provided a few links below we think can help you make the most of your device. We have provided links to warranty information and the Samsung Support Team. The warranty covers a period of one year and the Samsung Support Team can help troubleshoot and offer solutions for the screen brightness, restarting, and hotspot difficulties you mentioned. Thank you for being a Samsung customer. -Elizabeth Samsung Support smsng.us/Samsung-Support Samsung Community smsng.us/Samsung-Community Facebook smsng.us/Facebook-Messenger Twitter smsng.us/Twitter-Messages Samsung Warranty smsng.us/Warranty-Info

Hello... Thank you for your review of the Samsung Galaxy A14 5G. We value your feedback as we strive to innovate and improve on the design and functionality of our products. I've attached some links that should help concerning the temperature, and the battery life of your device. Please reach out to Samsung Support, also below, for any further assistance. Thank you for being a valued customer. -Bethany Keep your Galaxy device at its normal operating temperature (samsung.com) Apps are draining battery on Galaxy phone or tablet (samsung.com) Galaxy Battery - Optimization (samsung.com) Get the most out of your Galaxy phone's battery (samsung.com) smsng.us/Samsung-Support