Is there a way of uploading (via PC) a saved .shsh file to Cydia? Also, does the ECID change with each firmware upgrade?
E2EK1EL
quote:
Originally posted by Prometheus Xex
Is there a way of uploading (via PC) a saved .shsh file to Cydia? Also, does the ECID change with each firmware upgrade?
Apple Insider is reporting that, before being removed, a thread in the Apple Discussion Forums confirmed iOS 4.0.1 was being readied for release next week to address bugs — including the dreaded antenna “hold different” issue (or “death-grip” if you prefer).
iOS (iPhone) 3.0.1 was released July 31, 2009. 2.0.1 was August 4, 2008. 1.0.1 was was July 31, 2007. So next week for 4.0.1?
If real, that’s good news in that 1) Apple is moving quickly and 2) the reception problem is software related, which means its much easer to fix.
Meanwhile the New York Times Bits blog has a theory as to why Apple didn’t discover this problem before the iPhone shipped – at Apple HQ the signal was strong, and when it was taken outside HQ for test, it was in that case that disguised it as an iPhone 3GS — and insulated the antenna. Ironic much?
So in the spirit of hope we’re keeping our eyes — and mouse-clicks — peeled for updates… You?
Nerologic
:haha:
E2EK1EL
quote:
Originally posted by Nerologic
:haha:
Oh GOD, i knew some moron is gonna make a IP4 ver.
Jem_hadar
quote:
Originally posted by Nerologic
:haha:
Thats was awesome!! LOL :stongue:
VDub
quote:
Originally posted by Nerologic
Wait, I have been holding off to ask but...
The 4 doesn't come with the sim pin, or did I loose it already?
I had to use my S pin to pull out the sim...
I saw an unboxing video and he was missing it as well...
I guess they didn't include it...
God it's one thing after another with this thing!!!
VDub
quote:
Originally posted by E2EK1EL Will it blend? IP4
That was hilarious...
E2EK1EL
iOS 4.01 software update to arrive on Monday with a fix for antenna issue?
A circulating rumor suggests that Apple will be releasing an iOS update next week, perhaps as early as Monday, which will take care of the dreadful antenna signal attenuation issue that plagues the iPhone 4. The 4.01 update was referenced in a series of forum posts on Apple’s tech support forums that have since been removed, but not before readers grabbed the pertinent information and relayed it to the rest of the world. Of course, the success of this fix hinges upon the fact that the antenna issue is software-based and easily corrected with a quickly deployed update. If it is hardware-based, then Apple may have a bigger problem on its hands.
Read
Identifying the problem
Clear observations of mobile signal strength and how they are affected by the placement of users' hands are difficult to perform in part because there are multiple factors involved in receiving a mobile radio link, including outside interference and the conductivity or mass of different people's hands.
Additionally, cellphones in general (and in particular the iPhone) have always only presented a very rough approximation of signal strength in the signal bar display, averaged over time. It appears that iOS 4, more so than previous iPhone software, presents a less accurate signal meter, showing less signal at times than an iPhone 3GS while still being able to achieve the same or better call quality.
This has led some to jump to the conclusion that the reception problems noted by some iPhone 4 users are the sign of a hardware design flaw related to its stainless steel band antenna design. Apple's chief executive Steve Jobs stoked a whiplash of blogger frenzy when he reportedly responded that users "were holding it the wrong way," blocking the signal with their hands.
A variety of people have demonstrated identical problems with other phones, from the Android based Nexus One to the iPhone 3GS. Yesterday, my wry tweet, "Blocking iPhone 4 antenna kills reception. Blocking mic kills audio, and covering the screen makes it impossible to see Retina Display" made it to the front page of Twitter and was retweeted more than a hundred times by people following the hullabaloo.
However, the fact that problems observed in the iPhone 3GS are much more pronounced when the device is upgraded to iOS 4 indicate that there is also a software issue involved in the matter. iPhone 4 users can't downgrade to earlier versions of the core software, making it impossible to compare its relative performance.
Software fix in the works
Readers report that Apple's tech support forums originally confirmed that a iOS 4.0.1 software fix addressing the issue would ship early next week (as early as Monday), before the comments were subsequently taken down along with all the other related discussion about the matter.
The fix is expected to address a issue in iOS 4 related to radio frequency calibration of the baseband. Readers who saw the original forum discussions say that the issue is believed to occur when switching frequencies; because the lag is allegedly not calibrated correctly, it results in the device reporting "no service" rather than switching to the frequency with the best signal to noise ratio.
iOS 4 introduced some enhancements to how the baseband selects which frequencies to use, so it makes sense that the error may have crept into those changes. Additionally, this explains why iOS 4 has also caused similar problems for iPhone 3GS users.
Additional readers have shared other related experiences that also corroborate the idea that the issue is related to iOS 4's software control of the baseband, including the fact that the issue seems easily reproducible when connecting to a WWAN 3G network but does not appear when connecting to a Microcell 3G. If the problem were simply hardware related issues of the antenna design, it should only affect iPhone 4 units with that new design and should occur at all times, regardless of the tower type. That is not being observed.
Talk to the hand
The core software problem is likely augmented by hand placement, as Jobs noted in pointing out that holding the new phone (or any mobile device) in such a way that attenuates the signal should simply be avoided.
Yesterday, antenna design expert Spencer Webb posted his early appraisal of the situation, noting that the FCC mandates that cell phone antennas need to be positioned as far away from the user's head as possible, effectively forcing antenna placement in the bottom of the phone, where it is most likely to be covered by the user's hand.
Webb also noted that neither the regulatory tests performed by the FCC during its approval process, nor the antenna efficiency tests performed by the carrier (AT&T) during its own device requirements testing take into account how a user's hand might play into the antenna design and the test results.
The bottom-mounted antenna design "evolved to meet [FCC] requirements," Webb explained. "And efficient transmission and reception while being held by a human hand are simply not design requirements!"
Webb points out that Bluetooth headsets also suffer from attenuation when the phone is positioned in such a way that the user's body absorbs too much of the signal. He assumed that the iPhone 4 design, which "moved the antenna action from the back of the phone to the sides," will likely only improve things when the phone is "suspended magically in air," but may actually make things worse when the phone is placed in the user's pocket.
At the same time, Webb says he voted with his dollars to buy the new iPhone 4 anyway, adding, "sometimes an antenna that's not great, but good enough, is good enough."
Nerologic
quote:
Originally posted by VDub
I saw an unboxing video and he was missing it as well...
I guess they didn't include it...
Ahh okay, makes sense...
Nick Cenik
From the iPhone-Dev website: "If you have an iPhone 3GS with the NEW BOOTROM this is NOT supported by PwnageTool 4.01"...
So, this means that a jailbreak for iPhone 3GS 05.12.01 models and iOS4 does not yet exist, correct?
