Spyglass is an advanced compass and GPS navigation app for iOS and Android. Spyglass comes in handy as a car, bike, boat, aircraft, vehicle, or walking compass. GPS navigator gives you directions while driving, cycling, sailing, flying, hiking off the road, in the field and in the woods, in the sea and in the air.
Spyglass
Commander
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Turn your device into an advanced multispectral gadget that includes all sensors you need: GPS, digital compass, gyroscope, accelerometer, camera.
Reach unbelievable precision with the gyrocompass that is similar to air or marine navigation. Forget about any compass interferences. Get a live compass working on devices with no compass sensor.
Find and track your location. Monitor your coordinates in geo and military formats. Check altitude, current and maximum speed, and course. Use imperial, metric, nautical, and military units.
Find directions with the Mil-Spec compass operating in 3D space at any orientation. Monitor direction hints about lots of targets, updated in real time on the azimuth circle.
Measure distances to objects with a rangefinder reticle as in famous sniper scopes in real time.
Observe both your target’s and your own position on maps rotated automatically according to the current azimuth. Use street, satellite, or hybrid maps.
Track the position of any location, bearing, or star along with the Sun and the Moon in real time. Look at the objects through the planet Earth. Some objects are shown with the help of augmented reality. Get information about object distances, azimuths, and elevations.
Visually estimate the heights of buildings, mountains and other objects. Calculate distances from dimensions or vice versa. Get a visual picture of angles and distances measurements.
Tag locations and bearings.
This video shows how you can save your custom places and waypoints, see them on maps or augmented reality displays, and navigate precisely to them later using the gyrocompass mode and navigating by the sun for higher precision.
This video shows how you can share your current or saved location with your friends so that they could easily find the way to it, no matter what device or software they are using.
This overview video shows what you will see when you first open and start using Spyglass. It covers the app's main features, modes, and customization options.
This video shows how you can use the Rangefinder to measure distance to your target. Just like a reticle in a sniper rifle, the Rangefinder in Spyglass is based on the height of an average human (1.7m/5.6ft).
This video shows how you can solve the hazardous accuracy issues, typical of most digital compasses, and get the highest precision possible on your device.
This video shows how using the Sextant tool you can measure the size of a building/object if you know the distance to it. Or vice versa – how you can measure the distance if you know the size.
This video explains how to improve accuracy of the compass on iPhone or iPad using maps and the gyrocompass mode.
This video shows how you can document significant locations, trail hazards, violations, or incidents by grabbing pictures with myriads of positional data overlaid.
This video shows how you can use Spyglass as a backup speedometer for your vehicle, get clear compass directions on back road and cross country road trips, trace your position on the map, and control your vertical speed.
That's how your iPad screen looks when you use night mode maps in Spyglass and Commander Compass apps.
If your device is already network-unlocked but still shows "No," the restriction is embedded deep within the device's security enclave (RPMB partition). To bypass this, independent developers create specialized software exploits that temporarily or permanently rewrite this status. Popular Toolkits by Device Brand:
Knowing these details will help pinpoint the exact required for your specific phone. Share public link
This restriction is rarely a hardware limitation. Instead, it is a software block embedded in a protected archive or secure partition (such as the sec_config or trim area) of the device's internal storage. Carriers request this block to prevent users from taking phones to other networks, bypassing tethering restrictions, or accidentally bricking financed devices. Preliminary Steps Before Attempting a Fix
Transitioning a device from "Bootloader Unlock Allowed: No" to "Yes" is the gateway to smartphone freedom. It transforms a consumer appliance into a developer tool. While modern Android phones make this easier through Developer Options, carrier-locked devices still present a formidable challenge. For the dedicated user, flipping this switch is the first rite of passage into the world of Android customization.
: Network providers often request that manufacturers like Sony disable bootloader unlocking to prevent users from modifying the device software while under warranty. Regional Variants
If you have a carrier-locked device, the OEM unlocking option is usually greyed out, and the status remains "No." In this case, standard methods will not work.
On many modern devices (especially Google Pixel and Sony phones), the OEM Unlocking toggle will remain greyed out until the device connects to the internet and verifies its activation status with the manufacturer's servers. Insert a active SIM card, connect to a stable Wi-Fi network, and restart the device. Verified Methods to Change "No" to "Yes"
Manufacturers explicitly state that modifying the bootloader safety flags voids any remaining hardware warranties.
Within the device's secure configuration data, a flag determines whether the user is permitted to unlock this component:
Before spending money or risking your device with deep hardware exploits, always try the simplest paths first. Begin by requesting an official network unlock from your carrier. If that fails, join dedicated device forums like XDA Developers to find the specific chipset-level tools validated for your exact phone model and firmware version. Never flash files meant for a different phone variant, as configuration blocks are highly device-specific.
While this restriction is difficult to bypass, it is not always permanent. Below is a comprehensive guide explaining what this status means, why it happens, and the actionable methods you can use to change it to "Yes." Understanding the Root Cause
The bootloader is the first piece of software that runs when you turn on your phone. It instructs the hardware how to initialize and loads the Android operating system kernel.
or "Your device is corrupt. It can't be trusted."
While there is no "magic button" in settings, some users have found success with these specific methods: 1. Disable Tracking Apps
The technical reality of changing this status is rarely as simple as toggling a software switch. In many cases, the "No" status is hard-coded into the device’s "Trim Area" or protected by cryptographic signatures that are unique to the hardware's IMEI. For some brands, such as Sony or OnePlus, the manufacturer provides an official portal where users can request an unlock code, provided the device isn't carrier-branded. However, for devices locked by North American carriers, the restriction is often absolute. In these scenarios, achieving a "Yes" status requires the discovery of "exploits"—security vulnerabilities in the bootloader's code that allow hackers to bypass signature checks. These exploits are rare, difficult to execute, and are often patched by manufacturers as soon as they are discovered.
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