Whether you're a new user of the Samsung Galaxy A15 and A25 or a Senior with little or no knowledge, this book is made to provide you with expert knowledge on Samsung's latest innovation. With a focus on advanced topics, it covers everything you need to know about the device, from its specifications to its security features. Discover how to protect your personal information while shopping using features like PIN, Fingerprint, and Biometrics. This comprehensive guide ensures you can use the phone's specifications with ease, without encountering any difficulties.