how much storage iphone 4 have

Design and Manufacturing Process Analysis of iPhone 4 to iPhone 6, iPhone 4iphone6 Here I will explain some of my views on the design and manufacturing processes of these mobile phones. These five models have three appearances: Sandwich Design for iPhone

"How to replace the iphone battery _iphone battery Replacement Method" 1, as shown in the following figure we have two screws in the back of the Apple 4, we just need to use professional Qi to twist it off. 2, after lifting the screws, you need to push up the rear cover as shown. This process needs to be very careful, otherwise the glass shell is likely to be damaged: 3, okay, now we can get the batt

IOS devices have three different resolutions: iPhone 320x480, iPhone 4 640x960, and iPad 768x1024. In the past, you only needed to prepare a Default.png startup screen (image), but now it is much more complicated. The following is a summary of CocoaChina members.If a program supports both iPhone and iPad, it must conta

IOS devices now have three different resolutions:IPhone320x480, iPhone 4 640x960, iPad 768x1024. PreviousProgramStartAnimationSurface (ImageYou only need to upload default.png, but it is much more complicated now. If a program supports both iPhone and iPad, it must contain the following images: Default-Portrait.png iPad dedicated vertical boot screen 768x1024

1. if our Apple 4s does not find our Bluetooth headset, we can try to set the Bluetooth function in the Apple mobile phone or test the related switch of the Bluetooth headset, then try to search for a Bluetooth device.2. another possibility is that the Bluetooth headset uses a battery, so that if your Bluetooth headset has been useless for a long time, it will automatically shut down, so that it becomes a power saving effect, if this problem occurs when you connect a Bluetooth headset to your

Apple released the latest iOS 7 System in WWDC 2013 this year, supported iOS 7 models include iPhone 4, iPhone 4 S, iPhone 5, iPod touch 16 GB/32 GB/64 GB, iPad 2, iPad 3, iPad 4, and iPad mini. However, not all supported models c

+ ( NSString *)deviceString { // # Import "sys/utsname. H" struct utsname systemInfo; uname(systemInfo); NSString *deviceString = [ NSString stringWithCString:systemInfo.machine encoding: NSUTF8StringEncoding ]; if ([deviceString isEqualToString:@ "iPhone1,1" ]) return @ "iPhone 1G" ; if ([deviceString isEqualToString:@ "iPhone1,2" ]) return @ "iPhone 3G" ; if ([deviceString isEqualToString:@ "iPhon

It's time for a super contest! This time it was disappointing that there was no iPhone 5, but there were a lot of improvements in the iPhone 4S itself alone. Let's continue reading, look at the end of the iPhone 4S compared to the iPhone 4 what has changed!

The above focuses on the flash and the next step is jailbreak (this article is applicable to the situations where the above mentioned prerequisites are met, and other future versions may not be applicable, so the participants may consider it) I. Preparation 1. Connect the iPhone to the Mac and then shut down 2. Press and hold the open key for 3 seconds, jump out of the white apple, and release it. Ii. Jailbreak 1. Open Red Snow and click jai

It is very easy to add a startup image for ipadand iPhone apps. The basic idea is to add the startup image resource default.png. You only need to have different image sizes according to different resolutions and rotation directions. Currently, iOS devices have four different resolutions:1 iPad 768x1024 2 new pad 1536x2048 3 iphone4 640x9604 iPhone 320x480 If a program supports both iPad and

IOS devices have three different resolutions: iPhone 320x480, iPhone 4 640x960, and iPad 768x1024. PreviousProgramOnly one default.png image can be used, but it is much more complicated now. If a program supports both iPhone and iPad, it must contain the following images: Default-Portrait.png iPad dedicated vertica

(4/18) re-learn Standford_iOS7 development _ framework and course notes with attribute strings _, upgrade iOS 7 for iPhone 4 Lesson 4 (dry goods course ): (I have to review the exam recently, but it cannot keep up with the pace. The content of this lesson is still very important. Understanding it carefully will have a

This Photoshop tutorial will teach you to make a gorgeous iPhone 4 with Photoshop. First up Effect chart: Effect chart Step 1 Open PhotoShop to create a new document size 400x600. Using the PhotoShop gradient tool (gradient Tool), color selection is from #3d3d3d to #121212. Next, open the rounded Rectangle tool (rounded Rectangle Tool), the radius (RADIUS) is set to 34px, and then draw a shap

friends for Millet 4 and Apple 6 PLU difference is not very clear, the following unified small set for everyone to introduce this two models of related configuration parameters, do not understand a look at it! Millet 4: Millet 4 uses a top-level configuration. Equipped with Gaotong 8,014 nuclear processor, the frequency of 2.5GHz. 3

There are four data storage modes on the iPhone: Property lists property listObject archives (or archiving) object ArchivingSqlite3 (IOS's embedded relational database) Core Data (Apple's provided persistence tool) In storage, we often need to extract two related directory paths: documents and TMP. Getting the documents directory: Nsarray * paths = n

(non-Windows. The following only describes the operations on Mac. windows can be searched online) 2. The mobile phone number is iPhone 4.GSM version(Non-CDMA) 3. the IOS version to be upgraded is 5.0.1, and the previous version is 5.0.1. 4. This iPhone was jailbroken before, and all cydia had SHSH backups 5. wh

there are four ways to permanently store data on the iPhone: attribute list, archive, sqlite3, and coredata. The first and second operations are the same in some places. For the attribute list and archive operations, writetofile/url: path atomically: flag and initwithcontentoffile/url: path are used; neither of them can directly operate on basic data types, but the former cannot operate on custom classes, while the latter can achieve the goal through

In October 22, the Hong Kong official Apple online store suddenly stopped accepting orders for the iPhone 3gs and iPhone 4. Apple did not give any advance notice or reason for this, but only the sales information of all iPhones in the Hong Kong Apple official online store was displayed as "currently unavailable (currently unavailable )". Due to the sudden suspens

: Nil]; If (bldele ){ Nslog (@ "DELE success "); } Else { Nslog (@ "DELE fail "); } } NSFileManager* fileManager=[NSFileManager defaultManager]; NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask, YES); //文件名 NSString *uniquePath=[[paths objectAtIndex:0] stringByAppendingPathComponent:@"pin.png"]; BOOL blHave=[[NSFileManager defaultManager] fileExistsAtPath:uniquePath]; if (!blHave) { NSLog(@"no have");