Error 3001 Iphone 3gs
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Iphone 3gs Error 29 Solution
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to see technical details of the device, the most useful of which is the true cell signal strength displayed as a number rather than the traditional signal bars or dots. We'll show you exactly how to enter Field Test
Iphone 3gs Error 40
Mode, as well as how to enable Field Test Mode all the time to be able to field test mode iphone see the real cellular signal from your iPhone represented as numbers in the upper left corner. Of course, we'll also show you how to read iphone 6 test mode the numbers so that you can understand what a good cell signal looks like versus a bad signal reception. It only takes a minute or two to complete the process, and it's easy to revert back to normal signal indicators if you http://smartmania.cz/forum/viewtopic.php?f=121&t=15064 decide you'd rather not see the numbers anymore, so even though it's a bit of iPhone geekiness, try it out! Entering Field Test Mode on iPhone This will work on any iPhone model and any version of iOS, except the very original: Open the Phone app as if you were going to make a regular phone call From the iPhone keypad, dial *3001#12345#* and hit the "Call" button You will immediately see the signal numbers in the upper left corner, and you can tap around http://osxdaily.com/2012/08/20/field-test-mode-iphone-signal-strength-numbers/ the menus to discover other random features and information that is generally meaningless outside of cell technicians and field operators. If you hit the Home button you'll quit out of Field Test and the signal indicator will return to dots or bars rather than the signal numbers, but it's easy to always see the numbers too as described below. Enabling Signal Number as Reception Indicator Rather Than Signal Bars / Dots To always see the signal numbers rather than the signal bars or dots, you'll use the Force Quit app function to kill Field Test when it's open: Dial *3001#12345#* and hit "Call" if you haven't done so already to launch Field Test Now hold down the Power button until the "Slide to Power Off" message appears, then release the Power button and hold the Home button until Field Test quits Tap the signal bars or signal numbers to switch between the two To remove the tap-to-switch signal indicator ability, you can either reboot the iPhone or go back into Field Test and close out of it as usual. In the newest versions of iOS, Field Test Mode transforms the signal ‘dots' into the signal numbers instead, otherwise the feature is exactly the same: How to Read the Field Test Signal Indicator Numbers The numbers don't follow a scale that makes much sense to normal people, but the lower the number (in other words, the more negative) the worse the signal, and the higher the number (less negative) the better. Anythin
OS X Apple Watch Google Google Services Android Reviews Wearables Web IoT Home Automation Developer Tools Deals More Apps Sprink Turn Off LCD Drive Icon http://www.redmondpie.com/fix-itunes-1004-1015-error-and-restore-iphone-4-3gs-successfully-on-ios-4.0.1-how-to-guide/ Changer About Us Advertise RPon How to Restore iPhone 4, 3GS on iOS http://www.beijingiphonerepair.com/hack/enter-iphone-field-test-mode-300112345-to-check-your-iphones-signal-strength/ 4.0.1 Successfully, Bypassing iTunes 1004, 1015 Error By Taimur Asad | August 30th, 2010 So you have an iPhone 4 or iPhone 3GS (New Bootrom), running iOS 4.0.1, with SHSH blobs saved on Cydia, and you want to restore your iPhone again to iOS 4.0.1. Now that Apple has stopped signing iphone 3gs iOS 4.0.1, you wont be able to restore your iPhone 4 on iOS 4.0.1 by simply pointing iTunes to iOS 4.0.1 ipsw file. Because if you do so, iTunes will throw an error: “This iPhone [your name] iPhone could not be restored. This device isn't eligible for the requested build. Now to fix this error, you will have to make a couple of changes in iphone 3gs error your system’s “host” file, by pointing it towards Cydia server instead of Apple’s. Also this is not it, you may also receive another error during restore: 1004, or 1015 from iTunes saying: “The iPhone [you name] iPhone could not be restored. An unknown error occurred (1004)”. The following step by step instructions will guide you on how to fix these errors so that you can restore any of your new iOS devices like iPhone 4 or 3GS to iOS 4.0.1 successfully. Step 1: Download the required iOS 4.0.1 ipsw firmware files from here. Step 2: Put your device into DFU mode (not recovery mode). Connect your iPhone to your computer. Turn iPhone off. Start iTunes. Hold Power and Home buttons together for 10 seconds or so. Release Power button but keep holding the Home button until your computer recognizes a new USB device. iTunes will now recognize your iPhone. Note: Your iPhone screen at this time should be blank (black in color), if not, then you are most likely in Recovery Mode, not DFU mode. Step 3: Before you proceed, you must make sure that you have your SHSH blobs saved
Check Free Lock/Unlocked Checker Testimonials Refunds Why Us USA iPhone Unlock Resources iPhone Unlock Steps Entering Unlock Code (non iPhone) iOS 7 Download Common iTunes Error Repair Process Refund Policy Privacy Policy Downloads FAQs Contact Enter iPhone Field Test Mode (*3001#12345#*) to Check Your iPhone's Signal Strength Published on September 27, 2011 by Jonathan Hello there! If you are new here, you might want to subscribe to the RSS feed for updates on this topic! This is not exactly new, but it is a handy tip for new iPhone users or simply to show off to your buddies how "geeky" you are. :) Go to your dial pad, enter the following and followed by tapping on Call: *3001#12345#*Editor's note: learn more by reading our ebook on starting your own iPhone repair & unlock business This will launch Field Test Mode as shown below. Take note of the number on the top left corner. That indicates your iPhone's signal strength in dB-microvolts per metre (dBµV/m) or in decibels above a reference level of one milliwatt (dBm). The lower the number, the better your signal is. e.g. -51 is full signal, -105 is no signal. For my case above: -74 is a pretty good signal. You can toggle between the number and signal bars by tapping on the top left corner of your screen. This is relatively useful to test whether the iPhone casing you're using is actually reducing the efficiency of your iPhone's antenna. For most parts, your iPhone casing shouldn't interfere with the operation of its antenna. Now for more technical stuff, when testing it in a 3G environment, it is possible to determine the frequency being used by selecting: UMTS Cell environment, then select UMTS RR info. The screen displayed will list the Uplink and downlink Frequency in code form. Uplink frequency on the 850 MHz cellular band will list an Uplink Frequency code between 4132 and 4233 and a Downlink Frequency code between 4357 and 4458. If you are operating on the 1900 MHz spectrum the Uplink Frequency code wil