Xiaomi/Redmi, Samsung, HTC, Sony, Lenovo, Motorola, LG, Vivo phones are fully compatible with Onespy. We provide audio from both sides in call recordings on Samsung Galaxy S8, Galaxy S9 and other android devices with upto OS 8 and above.

Irremovable Software

ONESPY is a 100% Undeletable Phone Spy App, hence No Worries!

  • The Ultra Package is non-deletable.
  • ONESPY will not stop functioning even after multiple factory resets.
  • All the information will be gathered in stealth mode.
  • An active internet connection will ensure a timely information delivery.

Irremovable Software – Ultra Package

ONESPY is the only phone monitoring application which has the non-deletable set up to guarantee a consistent flow of monitored information. The software works in the background and remains inconspicuous. Whatever device you are monitoring, there is no way for the user to detect the presence of a hidden spy app.


PREMIUM features + non-deletable (does not remove on factory reset).

Exclusively for Samsung
Onespy Ultra

Required: Physical access to the target android phone.

Note: Pricing for SAMSUNG S8, S8+, S9 and S9+ will cost you more than what's mentioned here.

Every phone has options such as format, factory data reset, manual reset etc. The ultra-feature of ONESPY ensures that the spy applications keeps working even if the target device has been manually reset numerous times. It is like a stubborn stain that won’t wash off no matter what kind of detergent you use.

With the ultra-feature of ONESPY you will be given access to any kind of information that you want no matter what changes in settings are made on the target device. Even after a complete factory reset, ONESPY application will start delivering data and information as soon as the device is turned on and is connected to the internet.

The procedure of installing the ultra-package of ONESPY is a complex one and in order to get the best out of it, you’d have to bring the android phone to our office and have the software installed on it. You can also order a new phone directly from us with the ONESPY application pre-installed on it. It is only the ultra-package which requires your desired device’s presence in our company so the trained technicians can install the software on the device. Other plans of ONESPY phone spy app can be availed sitting at home anywhere in the world.